Raindrip For 3/4 in. Tubing Anti-Siphon Valve 2 in. H 1 pk 10-00-001-529 Holly-tone's all natural formula contains

Holly-tone's all natural formula contains bio-tone

No previous plumbing experience necessary

All ingredients are listed by the FDA as Generally Recognized As Safe (GRAS)

Color: Chestnut

Raindrip For 3/4 in. Tubing Anti-Siphon Valve 2 in. H 1 pk 10-00-001-529 Holly-tone's all natural formula containsPrevent 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. MPT connection on the other side to attach to 3 4 in. FPT pipe. Removable filter washer blocks