King Innovation - 21155 - 1 Inch Screw-In King Drains Valve Protectors, Bag of 5 C-144 Q: Is the BN270 automatic

Q: Is the BN270 automatic

and liquid compatibility before installation

and a clean internal mechanism

and intended system fluid before ordering

Post Materials: UL Schedule 40 PVC pipe

King Innovation - 21155 - 1 Inch Screw-In King Drains Valve Protectors, Bag of 5 C-144 Q: Is the BN270 automaticKing Drain valve protectors are perfect for use in both commercial and industrial irrigation. Designed to prevent water contamination and to prevent blow outs through patented designs. Designed for 1 inch poly pipe First class design that prevents blow outs by removing residual water and providing protection against early winter freeze and frost Pressure sensitive valve that releases water slowly Comes with a self cleaning dirt arrestor screen to