Water Sentinel (WS-21) Misting Systems Protector for Scale-Lime 12 inch x 2.5 inch Diameter and light commercial applications where

and light commercial applications where flow rates fall within the 2-20 GPM range

Not recommended as a sole polishing filter due to absence of activated carbon for organic compound adsorption

Consistent readings across multiple tests of the same sample

The SMC 6850090 check valve works with any standard residential or light commercial RO system requiring 1/2" FNPT connections

Water Sentinel (WS-21) Misting Systems Protector for Scale-Lime 12 inch x 2.5 inch Diameter and light commercial applications whereThe Water Sentinel WS 21 Misting Systems Protector delivers scale and lime protection for residential and commercial misting systems while maintaining beneficial mineral content in your water. Engineered by TST Water to provide up to 300 gallons or six months of chlorine, taste, and odor reduction without removing healthful minerals. SPECIFICATIONS Core Performance Data Model Number WS 21 Manufacturer TST Water (Water Sentinel) Capacity 300 gallons or