Rain Drip 46300UB 3/4Hose Pressr Regulator 3/4 in. Preset pressure regulator. Maintains constant PSI (poundsper square") for drip watering systems. 3/4 in. Inlet x 3/4 in. Outlet. Use for drip watering only. Complete instructions included. Features Regulates water pressure from water source; preset at 30 PSI, ideal for most drip irrigation systems; Maintains 30 PSI Attach to a in. MHT outdoor faucet, hose bibb, or spigot; Use with a in. FHT Swivel Adapter to connect supply tubing Lowers incoming water pressure from a water source for optimal performance of your drip system; Connect to an in. MHT outdoor faucet or hose bibb Attach the pressure regulator to outdoor faucet, hose bibb, or spigot with in. MPT connection point; Periodically check for damage and replace as needed 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.