4-Pack 20" Whole House Pre-filter Cartridges

The sediment pre-filter is used to prevent dirt and sediment particles from entering and clogging the main filter unit. This cartridge should be replaced every 2 months.

4-Pack 20" Whole House Pre-filter Cartridges is rated 4.6 out of 5 by 137.
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  • MSRP: 29.95

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This sediment pre-filter replacement cartridge 4-pack can be used with Rhino Whole House Water Filters that contain a 20 inch pre-filter.

Easy replacements with no plumber required, this pre-filter cartridge should be replaced every 2 months. Use only genuine Aquasana replacements to ensure sediment removal and system performance.

Download replacement instructions here

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Read the Reviews

Rated 5 out of 5 by from Great Product These prefilters need to be changed every 3 months. Makes the house filter work perfect. Cheap maintenance for a year. Have used house filter for 8 years.
Date published: 2020-11-16
Rated 5 out of 5 by from Whole House Pre Filter I didn’t know how long the pre-filters worked before having to be changed. My bad - I hadn’t changed it since I had the filters installed several years ago. So I ordered the set of four and proceeded to change the filter. OMG the current filter was so black, I couldn’t believe it - thankfully the container that holds it was easy enough to get off since I couldn’t find the wrench that accompanied the pro-install kit I ordered. I also ordered the post filter, but that was harder to change since the holder was on too tightly. I had to order a wrench to get it off and now I know how long to wait between changes and can enjoy the perfect water I started out with!
Date published: 2020-11-10
Rated 5 out of 5 by from Not much to say! The filters are what I needed. Not sure what to say but they are what I wanted.
Date published: 2020-10-17
Rated 5 out of 5 by from Very good product After a lot of research, including talking to plumbers, retail, and comparing products, I chose this filtration system. Our well water tastes great, no odor, but we sometimes have silt and limescale. This filter system handles both problems.
Date published: 2020-10-06
Rated 5 out of 5 by from Excellent Easy of installation and cleans water quality from clay
Date published: 2020-10-06
Rated 5 out of 5 by from Perfect Fair price, and quick delivery. It’s nice knowing they always fit correctly and happy to say they last a few months longer than suggested change. I received our potable water report and l was concerned with what l was drinking. I am happy to report we can wash hair again and cook with our water without metallic taste.
Date published: 2020-10-04
Rated 5 out of 5 by from Quality products I replace the filter every 90 days. They don’t lose any pressure. As witness it does remove a lot of filth from our city water
Date published: 2020-10-04
Rated 5 out of 5 by from I'm overall impressed!! We have the 1,000,000 gal whole house conditioner combo that we had installed about two months ago and what a difference it has been. The water not only taste great but there's no smell of chlorine. We had some friends over for dinner last week and they couldn't stop saying how great the water tasted and couldn't believe it was tap water. All I can say is we're so happy that we had the system installed and will recommend it to anyone. Also, the ladies at the Texas office was so informative, courteous and friendly when we called to ask questions. Thank you!
Date published: 2019-07-26
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User Q & A

I have hard water. Can I use this filter in combination with my water softener?

Asked by: Mcanthony
Hello, We would love to transfer this to a team specialist who is best-suited to answer any questions or concerns you may have. Kindly email us directly at support@aquasana.com or contact us directly at 866-662-6885, Monday thru Friday from 8am-5pm CST. Thank you, Aquasana Customer Support
Answered by: Aquasana S
Date published: 2020-08-25

After changing pre & post filters the water flow in back shower is still not very strong which units should I turn on ? All or just the 2 where the filters are?

Asked by: Pokerluvr
If it’s just the one shower it could be the shower head or shower cartridge. Take the shower head off first and turn water on to see the amount of water if it looks good replace shower head
Answered by: Southbay water treatment
Date published: 2020-08-22

what micron are these filters? Thank you

Asked by: peterA
Re these filters 5 micron?
Answered by: Peter h
Date published: 2020-08-08

Are these the same as the eq-303-20? I'm trying to find what fits our eq-1000r unit.

Asked by: Repeat customer
Hello, Please contact us at 866-662-6885 or email us at Support@aquasana.com and we will be happy to look up the system and provide the filters needed. We look forward to hearing back from you. Thank you, Aquasana Support
Answered by: Aquasana S
Date published: 2020-03-05

what is the micron rating? Can they be washed and reused?

Asked by: ronv
Hello, Thank you for your question. We do not recommend for the filter to be washed and reused. The Whole home sediment pre filters are rated at 20 microns. Our Whole Home 10" pre filters have a 5 micron rating. If you have any further questions please contact us at 866-662-6885. Thank you, Aquasana Support
Answered by: Aquasana S
Date published: 2019-11-07

Is this a polypropylene filter?

Asked by: Dachshund
Hello, Yes the filter is polypropylene. Thank you, Aquasana Support
Answered by: Aquasana S
Date published: 2019-11-07

What micron filter is this?

Asked by: Thirsty in Iowa
Hello, The whole home sediment pre filters are rated at 20 microns. Thank you, Aquasana Customer Support
Answered by: Aquasana S
Date published: 2019-11-07

my wrench broke can you replace or give size of wrench i need

Asked by: tesla
Hello, It appears you have several questions that would best be answered by a consultation with one of our experts over the phone. Please call our sales department at 866-662-6885, options 1 and 1 to discuss a potential solution for your home. Thank you, Aquasana Support
Answered by: Aquasana S
Date published: 2020-08-12
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