PRODUCT FEATURES 1/2" FNPT X 1/2" FNPT with FKM seals. These are the check valves we use at the end of the Bandit drop Stick Assembly to prevent losing prime when switching chemical tanks. Reviews FEATURED PRODUCTS Giant Pressure Safety Relief Valve $13.83 Choose Options General Pump Thermal Relief Valve $16.35 Choose Options General Pump Safety Relief Valve $25.35 Choose Options Spears Polypropylene Ball Valve 1" $45.23 Add to Cart