USWF Replacement for 602731 Quartz Sleeve | Fits the VIQUA B/B4/B4-V Series UV Systems Choose a Pack Size::6 PACK Built for the Whirlpool WHER25

Built for the Whirlpool WHER25 reverse osmosis water filtration system

TIER1-EP5-10 Carbon Filter

Saves Money - improves performance and prevents costly repairs

This Tier1 polypropylene string wound filter fits most 10-inch Big Blue Filter Housings and is suitable for both well and municipal water

drop in new cartridge

USWF Replacement for 602731 Quartz Sleeve | Fits the VIQUA B/B4/B4-V Series UV Systems Choose a Pack Size::6 PACK Built for the Whirlpool WHER25The quartz sleeve is an important part of the UV water treatment system. It protects the UV lamp from coming in contact with the water while allowing the UV light to permeate the water. Minerals from the water will build up on the sleeve over time causing the sleeve to become cloudy not allowing the UV light to permeate the water as effectively. How quickly the minerals build up on the sleeve will vary depending on your water hardness, and if you have