King 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 prevent future drain clogging
• Ergonomic grip for easy use that is comfortable and slip-free
• Includes patented backflow check designed to prevent contamination of water
• Broad dispensing pad meant to protect against penetration of roots and soil
• Both main and lateral line application
• 1" MPT x 1" INS