SMC (6870090) 687 Series PVC NSF Check Valve ; 3/4"FNPT x 3/4"FNPT Buna Quantity:Pack of 2 Use with filters in carbon

Use with filters in carbon block

Fill the sample cuvette with 10 mL of water sample to be tested and zero the photometer with the blank sample

The Blue & White F-30600P flow meter is compatible with any 6-inch pipeline requiring flow measurement in the 250-1050 GPM range

This version ships without the internal flow restrictor button

The Watts FU-WDF-888-ST brings European design and durable construction to your RO system

SMC (6870090) 687 Series PVC NSF Check Valve ; 3/4"FNPT x 3/4"FNPT Buna Quantity:Pack of 2 Use with filters in carbonSMC 687 Series 3 4" FNPT PVC Check Valve with Buna Seals Glass filled polypropylene construction with low 1 PSI cracking pressure for reliable one way flow control NSF Certified 125 PSI Max 17 GPM Flow Viton Seals The SMC 6870090 check valve prevents backflow in RO systems, booster pump installations, and pressurized water lines where maintaining directional flow is critical. Install downstream from your pump to eliminate water hammer and protect