SMC (5722390) 426 Series PVC NSF Check Valve ; 1/8" FPT x 1/8" FPT VITON 3.5M KCl + AgCl 4 x 30 mL bottles 5 inch dimensions fit standard

5 inch dimensions fit standard big blue housings from Watts

5 inches diameter Housing Compatibility Standard 20" Big Blue and Big White housings Maintenance Cleanable with garden hose

Remove the old filter cartridge and clean the housing sump with mild soap and water

Carbon block matrix traps sediment

10 micron nominal rating captures remaining particulate while maintaining flow

SMC (5722390) 426 Series PVC NSF Check Valve ; 1/8" FPT x 1/8" FPT VITON 3.5M KCl + AgCl 4 x 30 mL bottles 5 inch dimensions fit standardSMC 5722390 426 Series PVC NSF Check Valve 1 8" FPT threaded check valve with VITON seal for reliable backflow prevention in water filtration systems NSF Certified PVC Construction VITON Seal 1 8" FPT Connections The SMC 426 Series check valve ensures one way flow in reverse osmosis and water filtration systems, preventing backflow contamination and protecting upstream components. Built with NSF certified PVC and a durable VITON O ring, this compact