The Neo-Pure NP-KW1 is compatible as a WaterPur KW1 Filter. The NP-KW1 filter was designed to fit into the RCS/FR1 housing found in Forest River Campers. This 10" versatile carbon block filter will provide filtered cold and hot water to your bathroom, kitchen, and galley in your boat or RV. The NP-KW1 features double o-rings for a leak-free seal. This carbon filter will reduce chlorine taste and odor, fine sediment, rust particles, and some VOCs. Getting down to a tiny 5-micron rating will eliminate any concerns of sediment or particulates getting through to your drinking or cooking water.• Cost effective alternative to factory original filters• Replaces popular KW1 and similar water filters (FR1, RCS)• Unique double o-ring seals powerfully eliminate bypass• Thick wall design for greater chlorine taste and odor reduction• Designed for camping trailers, travel trailers, 5th wheels, and motorhomes• Eco-friendly and technologically advanced coconut shell carbon block• Initial pressure drop of only 2.6 psi where others have pressure drops of 10 psi or more• 5 micron nominal filtration• Dimensions: 2.5" x 10"SpecificationsApplication: RV and RecreationCapacity: 10, 000 GallonsInitial Pressure Drop: 2.6 PSIMicron Rating (Nominal): 5Max Temp: 165°FMin Temp: 40°FCartridge Style: Quick ChangeChange Frequency: 6 MonthsContaminants Reduced: Chlorine/Taste/Odor, Sediment/Dirt/Rust, VOCsDiameter: 2.5"Filter Media: Coconut Shell Carbon BlockFlow Rate: 2.5 GPM Reduces chlorine taste & odor, fine sediment, rust particles, & some VOCs Tiny 5-micron filtration rating Rated for 10, 000 gallons of chlorine reduction annually | Neo-Pure NP-KW1 Water Filter Cartridge