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10 Best 20 Inch Water Filters And Their Reviews For 2021

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Tim Rhodes

In this article, we cover the 10 best 20 inch water filters and their reviews.

Water filters come in handy for removing any undesirable particles, chemicals, and microorganisms from water.

Depending on how the filter has been designed, it may use semi-permeable barriers, adsorption, or biological processes for filtration.

Water filters are often made of densely packed synthetic or natural fibers which can trap suspended particles and materials in water.

The majority of residential, commercial, and industrial applications use water filters manufactured in the form of replaceable cartridges fitted inside permanent housings.

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10 Best 20 Inch Water Filters Rated And Reviewed

Let’s take a look at the 10 best 20 inch water filters and their reviews.

Below you’ll find product information, features and ratings for each item.

1.

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More often than not, the Big Blue Sediment Filter is the very first filter installed for water filtration in homes.

Big Blue is a reputed manufacturer of filtration fixtures.

This is the first point of contact between your home and your water supply and removes the majority of physical debris and impurities from the water.

It comes in at 20 x 4.5 inches in length x diameter.

This sediment replacement water filter comes into action before the water moves to reverse osmosis and activated carbon filters.

The filter is quite an efficient and useful addition to your home’s water filtration system and eliminates all the unwanted particles including but not limited to sand, dirt, silt, rust, and other fine particles.

It’s crucial to have these particles removed because they make the water unfit for use and can cause some serious damage.

Yet another reason that makes this sediment filter indispensable is the fact that it helps Carbon Block or GAC (Granular Activated Carbon) filters work more effectively.

Allowing this filter to be in action helps appliances such as boilers, refrigerators, ice-makers, and many more to have a long and efficient filter life.

Finally, the filter has relatively wider dimensions as compared to standard water filters and processes more water in less time.

It offers nice returns on investment and has a long filter life.

This Big Blue Sediment Filter comes with a compact design and can be fitted quite easily.

This is one of the best water filters on the market.

Features:

  • Big Blue brand
  • Comes into action before reverse osmosis and carbon filters
  • 20 x 4.5 inches
  • Top notch customer reviews
  • Helps increase the lifetime of your plumbing fixtures
  • Meets NSF standards and regulations
  • Has a long filter life and ensures exceptional performance


2. Hydronix Whole House Carbon Block Water Filter

Hydronix CB-45-2005 Whole House, Commercial & Industrial NSF Coconut Carbon Block Water Filter, 4.5'...

Hydronix is a renowned manufacturer of water filters and purifiers.

Suitable for drinking water filtration applications, this water filter comes power-packed with carbon filter media.

It has an overall length of 20 inches and can easily retain particles up to a size of 5 microns and efficiently removes unwanted odor or unpleasant taste from the water making it fit for use.

The filter has exceptional performance for its price and removes all the undesirable particles, chemicals, and micro-organisms that are harmful to human consumption.

It comes at a size of 20 x 4.5 inches.

The filter provides you with pure, filtered water worth using and protects your plumbing fixtures from unwanted particles, sand, dirt, dust, and grime.

With a flexible operating temperature (40 to 180 degrees F) and a maximum water pressure rating of 250 pounds per square inch (psi), it assures optimal performance for its price.

It has been compactly designed and fits in easily.

This is a great return on investment and worth every dollar you spend.

The filter is quite easy to maintain, operate, use, and repair.

It also supports an easy screw off for quick changes.

This filter is an ideal choice and has been tested and verified under rigorous conditions.

Features:

  • Compact design, great value for money
  • Excellent customer reviews
  • Offers exceptional performance yet affordable
  • Carbon block filter for great performance
  • Long filter life, great return on investment
  • One of the best whole house filters
  • 20 x 4.5 inches in length and diameter

Check Price and Reviews on Amazon


3. Pentek Carbon Block Filter Cartridge

Pentair Pentek EP-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Carbon Block Replacement...

Next on the list is the Pentek EP-20BB carbon block filter cartridge.

This filter comes from a renowned house such as Pentek.

You’ll have different options when it comes to dimensions, but the most common is 20 x 4.5 inches.

The filter considerably eliminates fine sediments and the annoying chlorine taste and odor from residential as well as commercial drinking water.

The filter reduces free available chlorine by almost 90% which is decent enough.

The filter guarantees optimal performance and meets the National Sanitation Foundation’s parameters for quality assurance.

It provides you with pure, filtered water worth using and protects your plumbing fixtures from unwanted particles, sand, dirt, dust, and grime.

The fixture can effectively be employed for the purification of residential as well as commercial drinking water without worrying about the quality.

It offers nice returns on investment and has a long filter life.

Furthermore, it has a compact design and can be fitted quite easily.

This is definitely one of the better water filters on the market.

Pros & Benefits:

  • Comes in different dimensions other than 20 x 4.5 inches ( but 20 x 4.5 inches is the most common)
  • Compact design, easy fit
  • Nominal filtration rating of 5 microns
  • Meets NSF/ANSI standards
  • Comes from a renowned brand

Check Price and Reviews on Amazon


4. 3M Aqua-Pure Whole House Replacement Water Filter

3M Aqua-Pure AP800 Series Whole House Replacement Water Filter Drop-in Cartridge AP810-2, Large...

With a commitment to make life easier and better for people around the world, the 3M Aqua-Pure Water Filter stands apart and has been a popular choice.

The filter features an impressive flow rate and a diverse temperature range.

It’s an ideal choice for larger homes and has been tested and verified under rigorous conditions.

The fixture eliminates the sediments and has a longer filter life as compared to some of its counterparts.

It has been designed in a way that prevents the release of sediments back into the water under conditions such as sudden changes in the flow rate of the water.

The filter provides you with pure, filtered water worth using and protects your plumbing fixtures from unwanted particles, sand, dirt, dust, and grime.

It offers nice returns on investment and has a long filter life.

Not only that, but it has a compact design and can be fitted quite easily.

Like the previous water filters, it can come in different dimensions, but the most common is 20 x 4.5 inches.

Definitely one of the better whole house filters.

Pros & Benefits:

  • Has a flow rate of up to 20 gallons per minute
  • Has a compact design and impressive performance
  • Tested under rigorous conditions
  • Comes from a popular brand
  • Can choose different dimensions, but the most common is 20 x 4.5 inches

Check Price and Reviews on Amazon


5. AMI Carbon Water Filter

APPLIED MEMBRANES INC. 4.5' x 20' Carbon Water Filter | Whole House or Commercial Water Filtration...

The AMI Carbon Water Filtration System helps purify water by eliminating pollutants and unwanted substances.

It’s highly suitable for pre or post-treatment of residential as well as commercial RO water filters.

It also serves fine as a stand-alone whole house point of entry filter and measures 20 x 4.5 inches.

It’s designed compactly and doesn’t occupy a lot of space.

Its carbon core is uniformly extruded and prevents the release of carbon fines back into the water.

The filter has delivered exceptional performance and is renowned for its enhanced dirt holding capacity.

It provides you with pure, filtered water worth using and protects your plumbing fixtures from unwanted particles, sand, dirt, dust, and grime.

It’s a great return on investment and you won’t regret buying this one.

It’s an ideal choice and has been tested and verified under rigorous conditions.

In addition to removing sediments and pollutants, it also helps get rid of unwanted odor and taste and makes the water fit for all purposes.

It has been designed very well and can be used easily with all standard housings.

The filter is quite easy to maintain, operate, use, and repair.

It also supports an easy screw off for quick changes.

It offers nice returns on investment and has a long filter life.

It has a compact design and can be fitted quite easily.

Pros & Benefits:

  • Has a compact design
  • 20 x 4.5 inches
  • Affordable price
  • Exceptional performance removes awful odor and taste as well
  • Low maintenance, high performance

Check Price and Reviews on Amazon


6. Ronaqua 20-Inch Sediment Filter Cartridges

Ronaqua S10-20X25 10 Micron 20-Inch x 2.5-Inch Sediment Filter Cartridges, 25-Pack

Sediment filters are often the first filter installed in the whole house water filter circuit.

The filter provides you with pure, filtered water worth using and protects your plumbing fixtures from unwanted particles, sand, dirt, dust, and grime.

It’s quite efficient and works as it’s advertised.

The filter provides you with pure, filtered water worth using and protects your plumbing fixtures from unwanted particles, sand, dirt, dust, and grime.

The filter works in conjunction with your carbon block filters and performs the elementary filtration, thus, ensuring a long water filter life for the carbon filter and other equipment in the home.

It’s not at all expensive and is quite durable, thus, making sure that you don’t waste money but rather invest in it.

Indeed, it’s a great return on investment.

This is one of the few filters that comes at a size other than 20 x 4.5 inches

Pros & Benefits:

  • Preliminary filter before the carbon block filter
  • Works smoothly and has a long water filter life
  • Cost-effective and has reliable operation
  • Branded product
  • Not the standard size of 20 x 4.5 inches

Check Price and Reviews on Amazon


7. Express Water Big Blue Sediment Replacement Filter

Express Water – Sediment Replacement Filter – Whole House Replacement Water Filter – SED High...

Express Water is a renowned provider of water filtration systems.

As expressed above, you can’t go wrong with Big Blue.

The Big Blue Sediment Filter is manufactured carefully using precision packed food-grade polypropylene microfiber.

The filter features very fine and smart sediment filters.

It has four distinct layers to effectively purify the water and catch contaminants down to 5 microns.

The fixture is classified as a very high-grade filter and has a commendable design.

It can trap an impressive number of pollutants and has a long filter life.

It’s quite durable in its operations and doesn’t break down easily even under low maintenance.

The gadget can filter up to 0.25 gallons per second!

It has been made with precision packed 100% pure food-grade polypropylene microfiber.

The filter is quite easy to maintain, operate, use, and repair.

It’s an ideal choice and has been tested and verified under rigorous conditions.

It also supports an easy screw off for quick changes.

This is one of the few water filters that doesn’t come in at the standard size of 20 x 4.5 inches.

Pros & Benefits:

  • Big Blue brand
  • Easy to repair and maintain
  • Great filtration speed, can filter up to 0.25 gallons power second
  • Durable in its operations
  • Low maintenance, high performance
  • Not standard 20 x 4.5 inches

Check Price and Reviews on Amazon


8. Ronaqua Big Blue Whole House Water Filtration System

20' x 4.5' Big Housing Whole House Water Filtration System 1' Inlet/Outlet Brass Ports Pressure...

The Big Blue Whole House Water Filtration System has an impressive, durable structure.

Big Blue is known to be an extremely reliable brand.

The fixture is a great choice for proper high-flow and heavy sediment applications.

It has been manufactured using reinforced polypropylene for strength.

It resists chemicals and delivers quality performance even when the water is contaminated or polluted beyond measure.

Its strong efficiency and power have helped it earn a respectable spot in the market.

The black cap of the filter is made of high-flow polypropylene for toughness.

The cap has 1″ inlet/outlet brass ports which provide room for better-sealed connections to the corresponding pipes.

The filter works well with various high-flow applications and is usually put to work in the main water line entering the house including.

It does a wonderful job filtering the drinking water and also helps with whole house water filtration.

It elongates the life of your fixtures and makes sure that they are saved from hard water.

It removes chlorine, the taste of bad water, and odor as well.

The filter is quite easy to operate, use, and understand.

It has simpler controls and easy functionality.

You can find a rubber O-ring on the top of the housing body that ensures a watertight seal.

There also is a pressure relief button on the inlet side of the cap that releases pressure in the housing for changing filter cartridges.

You won’t be disappointed with this Big Blue filter.

Pros & Benefits:

  • Easy to operate
  • Big Blue brand
  • Comes from a renowned brand
  • Has a watertight seal
  • Prolongs the life of other plumbing fixtures in your home

Check Price and Reviews on Amazon


9. Aquaboon Big Blue Sediment Water Filter

Aquaboon 5 Micron 20' Sediment Water Filter Replacement Cartridge | Whole House Sediment Filtration...

Next on the list is the Aquaboon Big Blue Sediment Water Filter that measures 20 x 4.5 inches.

Once again, Big Blue comes through as a steady and reliable brand.

This filter comes from a renowned house such as Aquaboon.

The filter considerably eliminates fine sediments and the annoying chlorine taste and odor from residential as well as commercial drinking water.

The filter reduces free available chlorine and fixes the taste and bad odor of the water entering your home through various channels.

It has been manufactured using 100% pure polypropylene microfibers.

The compactly built filter guarantees optimal performance and meets the National Sanitation Foundation’s parameters for quality assurance.

It provides you with pure, filtered water worth using and protects your plumbing fixtures from unwanted particles, sand, dirt, dust, and grime.

The fixture can effectively be employed for the purification of residential as well as commercial drinking water, without worrying about the quality.

It offers nice returns on investment and has a long filter life.

It has a compact design and can be fitted quite easily.

The filter has exceptional performance for its price and removes all the undesirable particles, chemicals, and micro-organisms that are harmful to human consumption.

With a flexible operating temperature and a diverse maximum pressure rating, it assures optimal performance for its price.

It has been compactly designed and fits in easily.

This is a great return on investment and worth every dollar you spend.

Furthermore, this filter is quite easy to maintain, operate, use, and repair.

This Big Blue filter supports an easy screw off for quick fixes.

Pros & Benefits:

  • 20 x 4.5 in length and diameter respectively
  • Great filter life expectancy
  • Big Blue brand
  • Durable and strong performance
  • Comes from a renowned brand
  • Doesn’t need very specific maintenance

Check Price and Reviews on Amazon


10. Aquasana Whole House Water Filter Systems

Aquasana EQ-304-20 Replacement 20-Inch, Sediment Pre-filters for Whole House Water Filter Systems,...

Coming from a renowned brand, this one is surely a good choice and value for money.

The filter has been designed to prevent dirt and sediment particles from spoiling your water.

It purifies deeply and makes sure that no contamination enters the home.

Sediment filters are often the first filter installed in the whole house water filter circuit.

The filter provides you with pure, filtered water worth using and protects your plumbing fixtures from unwanted particles, sand, dirt, dust, and grime.

It’s quite efficient and works as it is advertised.

The filter provides you with pure, filtered water worth using and protects your plumbing fixtures from unwanted particles, sand, dirt, dust, and grime.

It can trap an impressive number of pollutants and has a long filter life.

Not only that, but it’s quite durable in its operations and doesn’t break down easily even under low maintenance.

The filter is quite easy to maintain, operate, use, and repair.

It’s an ideal choice and has been tested and verified under rigorous conditions.

Furthermore, its strong efficiency and power have helped it earn a respectable spot in the market.

The filter works well with various high-flow applications and is usually put to work in the main water line entering the house including.

It does a wonderful job filtering the drinking water and also helps with whole house water filtration.

It elongates the life of your fixtures and makes sure that they are saved from hard water.

Also, it removes chlorine, the taste of bad water, and odor as well.

The filter is quite easy to operate, use, and understand.

It has simpler controls and easy functionality.

Pros & Benefits:

  • Cost-effective and performs very well
  • Whole house water filtration system
  • Long filter life
  • Has improved water filtration technology
  • Low maintenance and high performance

Check Price and Reviews on Amazon


Factors To Consider While Choosing The Right Water Filter

Contaminants and pollutants can find their way into your home from about anywhere.

You must ensure a safe supply of water and air into your home to maintain and protect the health of yourself and your family members.

A lot of water filters are available in the market these days and it becomes difficult to select one out of them.

Almost all of them boast efficient filtration and impressive performance.

How do you find out which one is the best pick for you?

Well, there are many factors to be considered before selecting a water filter for your home.

Budget

When it comes to buying water filters, you should see if the filter you are planning to buy fits your budget or not.

Apart from that, it’s important to check if it eliminates the foul odor and taste of the water or just removes the solid sediments and impurities.

Lifespan

You should also pay attention to the promised life of water filters and if it fits the space in your home well.

Always go for a compactly designed filter that occupies less space and doesn’t create annoying noises while functioning.

Technology

Different water filters operate using different technologies.

Depending on what you intend to use the water filter for you can choose any one of the RO filter, UV filter, or the Activated Carbon filter.

An important point to note here is that before choosing a water filter for your home, you must judge the quality of water you expect it to purify.

If the water in your home is hard (that means it contains salts of Magnesium and Calcium) and contains a high number of dissolved salts (TDS), you must look for a water purifier that uses RO + UV technologies.

On the flip side, if the water in your home is hard and has low levels of dissolved salts, then, you may choose an RO water purifier.

Thus, if you want to make sure that your family stays in good health and you enjoy the undisrupted supply of fresh, pure water throughout the year, invest in a nice water filter.

Brand

While not the most important, a brand can play an important role when choosing the water filters.

As you can see on this list, Big Blue is definitely one of the more popular brands.

Yet you’ll still be able to find other reputable brands by doing a bit of research.

If in doubt or stuck between two choices, you can always fall back on the Big Blue brand.

Size

It’s extremely important to know what size water filter you need.

The majority of the filter on this list measures 20 x 4.5 inches in length and diameter.

However, that’s not always the case.

Sometimes your filter may require a cartridge outside of the standard 20 x 4.5 measurement.

Final Thoughts

You may not be able to change or control the quality of water being supplied to your home, but yes, you can get one of the best water filters installed and make it suitable for use.

While it’s true that the public water supplies are highly regulated, this doesn’t ensure that the water you are getting in your home is free of any pollutants or chemicals.

In such cases, a filter is indispensable.

As mentioned above, if you’re in doubt about a brand you can always stick with Big Blue.

If it’s not Big Blue, make sure to do your research.

If you want to elongate the life of your plumbing fixtures and protect them from hard water, you should consider getting a filter installed.

Hard water makes it difficult for the water to foam with detergent and leaves water stains as well, thus, destroying your flooring and kitchen slabs.

It’s recommended that you get the quality of water being supplied to your home professionally analyzed and make a wise choice.

We hope that this list of the best 20 inch water filter comes in handy the next time you want to invest in a water filtration system.

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