SMC (6550090) 1215 Series Brass Check Valve ; 3/4" FNPT x 3/4" FNPT BUNA Sprite (HH-CM) Handheld Shower Filter with Hose; Chrome Flexible silicone material opens under

Flexible silicone material opens under forward pressure and seals shut when flow stops

This includes reverse osmosis pre-filter stages

ResinTech Resin 25 Micron 10" Standard

and other contaminants that quickly foul standard single-junction electrodes

SMC (6550090) 1215 Series Brass Check Valve ; 3/4" FNPT x 3/4" FNPT BUNA Sprite (HH-CM) Handheld Shower Filter with Hose; Chrome Flexible silicone material opens underSMC 6550090 1215 Series Brass Check Valve 3 4" FNPT threaded brass check valve with BUNA seal for reliable backflow prevention in residential and light commercial water systems Brass Construction 3 4" FNPT BUNA Seal WHY IT WORKS Prevents Backflow and Protects Equipment One Way Flow Control Spring loaded mechanism ensures water flows in only one direction, protecting pumps, tanks, and filtration equipment from reverse flow damage Brass Body