USWF Replacement for QS-212 Quartz Sleeve | Fits the VIQUA SQ-PA, SC1, & VT-1 Series UV Systems Choose a Pack Size::Single and control valves

and control valves

& 4CR2 UV systems

This system features an easy-to-use LCD control valve head which allows maneuverable setting and monitoring of important operational information

The Tier1 RFC-93 filter cartridge is a standard size at 10 x 2

Dual-Gradient Filtration Explained

USWF Replacement for QS-212 Quartz Sleeve | Fits the VIQUA SQ-PA, SC1, & VT-1 Series UV Systems Choose a Pack Size::Single and control valvesThe 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