USWF RQ950 Replacement Quartz Sleeve | Fits US Water Filters H4-PL Pool UV System Choose a Pack Size::4 PACK It filters particles to the

It filters particles to the 25 micron level

as the second stage of filtration

Surface-Safe - designed specifically for exterior surfaces exposed to high iron water

RVs and marine systems

This is achieved by allowing small amounts of water already in the UV chamber to be released so the system can return to a lower temperature

USWF RQ950 Replacement Quartz Sleeve | Fits US Water Filters H4-PL Pool UV System Choose a Pack Size::4 PACK It filters particles to theThe 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. Once the