USWF Replacement for QS-330 Quartz Sleeve | Fits the VIQUA S2Q-PA, VT4, SC-4, & SSM-17 UV Series UV Systems Choose a Pack Size::4 PACK Be sure to keep the

Be sure to keep the membrane moist after initial use

This filter uses activated carbon block technology to reduce chlorine taste and odor

which replaces the D-10

Dosing rate depends on the concentration of iron

and appliances pH Indicates whether water is acidic (corrosive) or alkaline Hydrogen sulfide (sulfur) Rotten egg odor from well water Manganese Black staining

USWF Replacement for QS-330 Quartz Sleeve | Fits the VIQUA S2Q-PA, VT4, SC-4, & SSM-17 UV Series UV Systems Choose a Pack Size::4 PACK Be sure to keep 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, and if you have