Atmospheric vacuum breaker prevents contaminated water from siphoning back into your clean water supply. Made from high-impact ABS plastic for durability and chemical resistance. Required by most local health codes on hose bibb connections used for irrigation or chemical application.

• 3/4" female hose thread (FHT) inlet x 3/4" male hose thread (MHT) outlet
• Atmospheric vacuum breaker of high-impact ABS construction
• Prevents backflow contamination into water supply
• Required by most local health codes
• Maximum flow rate: 480 GPH
• Includes filter washer

Tip: Install vertically at least 6" above the highest point in your irrigation system for proper operation.