Cheap And Discounts 1pcs 15PSI-45PSI Preset Pressure Regulators With 3/4" Female x Male Hose Thread Reduce Incoming Water Pressure For a Drip System Wholesale. Buy Directly From Merchant Niubeigu Irrigation Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.