Replacement Rust and Sediment Filter for Clearsource Ultra or Onboard Pro RV Water Filter System

Part Number: CS89FR

In Stock

$24.99

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clearsource rv water filter cartridges replacement rust and sediment for ultra or onboard pro system

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Replaces the first stage filter for your Clearsource 3-canister Ultra or Onboard Pro RV water filter systems. Fits Clearsource Ultra CS87FR and Clearsource Onboard Pro system CS59FR. Great Prices for the best rv water filter from Clearsource. Replacement Rust and Sediment Filter for Clearsource Ultra or Onboard Pro RV Water Filter System part number CS89FR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.

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Reviews (3)
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Clearsource RV Water Filter - CS89FR

Features:

Replaces the first stage water filter for your 3-canister Clearsource Ultra or Onboard Pro water filter systems
First stage 5.0-micron filter has large grooves to capture more rust and sediment
IAPMO certified
Made in the USA

Fits:

Clearsource Ultra RV Water Filter w/ VirusGuard - 3 Canister - Exterior: CS87FR
Clearsource Onboard Pro RV Water Filter w/ VirusGuard - 3 Canister - Interior: CS59FR

RST0001 Replacement First Stage Water Filter Cartridge for Clearsource Ultra or Onboard Pro RV Water Filter Systems - 3 Canister

5.0

3 reviews

5 Stars		(3)
4 Stars		(0)
3 Stars		(0)
2 Stars		(0)
1 Star		(0)

by: Matt06/16/2022

We finally got the water filter!!! I have to say it's big and heavy but that's not a bad thing. I placed it on a 24"x30" piece of plywood and screwed it down to keep it from tipping over. The quality is amazing I really like the stainless steel fittings. We're so glad we bought it !!

by: Klaus 01/28/2025

Klaus One Year Later

1/29/2026

Great filter

by: Kevin 11/01/2022

See what our Experts say about this Clearsource RV Water Filter

Do you have a question about this RV Water Filter?

Are Filters for Clearsource Ultra and Nomad Water Filter Systems the Same
The Clearsource Ultra RV Water Filter System w/ VirusGuard # CS87FR uses the replacement filter kit # CS49FR while the Clearsource Nomad RV Water Filter System w/ VirusGuard # CS67FR uses the replacement filter kit # CS39FR. The VirusGuard Filter # CS69FR is the same for both kits but the Nomad uses the 1st Stage Filter # CS79FR while the Ultra uses the 2nd Stage Filter # CS29FR as well as the Rust and Sediment Filter # CS89FR so the complete filter kits are not compatible with each other.
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Info for this part was:

Updated by:

Wilson B

Edited by:

Amanda M

Written by:

Adam Y

Installed by:

Evangeline M

Video by:

Charles A

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