Prevent impure water from flowing back and contaminating the clean water supply with the Anti-Siphon Backflow Preventer. Required by most local health codes when using a potable, and sometimes non-potable water source for your drip system. The atmospheric vacuum breaker has a 3/4 in. FHT connection which threads onto the hose bibb or faucet; 3/4 in. MHT connection on the other side to attach a timer, pressure regulator, or adapter for supply tubing. Removable filter washer blocks particles that can clog emitters. Use the directional arrow on the device to position in the direction of water flow. The Anti-Siphon Backflow Preventer is made of ABS with UV inhibitors.

• Prevent impure water from flowing in reverse and contaminating the clean water supply; Connect to the water source, such as a hose bibb or faucet
• Thread the backflow preventer onto the hose bibb water source; connect other side to an automatic timer, pressure regulator, or adapter for supply tubing; Use with a pressure regulator with filter to control the water pressure and filter out particulates
• Atmospheric vacuum breaker prevents water from reversing direction back into the water supply; Removable filter washer blocks particles that can clog emitters
• Drip irrigation reduces water usage by up to 70% compared to conventional sprinkler irrigation; water is applied precisely and at the rate the soil can accept it to prevent runoff and erosion
• Comes with one 3/4 in. FHT X 3/4 in. MHT Anti-Siphon Backflow Preventer; Raindrip stands by their product and gives a 1-year, 100% satisfaction guarantee. If your product breaks, Raindrip will send you a new one for free, just pay shipping and handling