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 while the proprietary GreenBlock technology

while the proprietary GreenBlock technology ensures consistent performance throughout the filter's service life

Oakton buffer solutions are trusted by laboratories and field technicians who require NIST-traceable accuracy without compromise

0 mg/L Range Cadmium Reduction EPA Compliant

10 micron nominal rating captures remaining particulate while maintaining flow

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

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 while the proprietary GreenBlock technologySMC 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