Arrowhead Vacuum Breaker 3/4 " Fpt X 3/4 " Mpt Brass Finish Bagged ARROWHEAD BRASS PLUMBING BACK FLOW PREVENTER * Back Flow Preventer. * Non Anti-Siphon. * 3/4 Hose Thread. * For Non-Freeze Areas Hose Bibbs. * Laundry Tubs. * Utility Sinks. * Not To Be Used On Standard Frost Proof Hydrant. * Vacuum Breaker 5/8 Hose Thread. * Lead Free. Features Not for frost proof hydrants or outside use in freezing climates Use on hose bibbs where backflow prevention is required Average Lead Content: Less than 0.25% Connections: 3/4 in. x 3/4 in. Valve Type: Threaded USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.