The Original High-Performance Filter for Forest River FR1 & RCS Housings
Enjoy clean, great-tasting water everywhere you travel with the KW1 Cartridge — the official, original replacement filter designed specifically for Forest River FR1 and RCS water filter housings.
Why RVers Trust the KW1:
- NSF Certified & proudly Made in the USA
- Reduces chlorine taste and odor for crisp, refreshing water
- Filters out sediment, rust, and other particulates
- Reduces Volatile Organic Compounds (VOCs)
- High flow rate of 2.5 gallons per minute — so you never feel restricted in the shower or sink
- Extremely low pressure drop (only 2.6 psi) — much better than generic replacements
- Unique o-ring design creates a perfect seal and eliminates bypass
- Rated for 10,000 gallons or up to 1 year of use
Protect Yourself from Cheap Imports & Imitations Many “compatible” or “replacement for KW1” filters sold online are low-quality imports with inconsistent performance, weak seals, and poor filtration. These inferior copies can lead to leaks, bypass, or disappointing water quality.
Accept No Imitations — This is the real OEM cartridge, proudly manufactured in the USA and trusted by thousands of RVers. Buy the original and protect your RV’s water system.
Perfect for:
- Forest River RV owners
- Marine applications (boats)
- Any RCS or FR1 filter housing
Stop settling for mediocre water on the road. Whether you’re boondocking, at a crowded campground, or filling up at questionable water sources, the KW1 delivers consistently clean, better-tasting water.
Accept No Imitations - Read Why