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 Spears Polypropylene Ball Valve 1" $45.23 Add to Cart Spears Polypropylene Ball Valve 3/4" $40.01 Add to Cart Spears Polypropylene Ball Valve 1/2" $36.36 Add to Cart Polypropylene Nipple $1.22 Choose Options