Thank you for viewing this item. Our estimated shipping leadtime for standard shipping service is 7-16 business days, faster than Amazon estimation. Your can track your orders on: www.usps.com. The Mushroom Nozzle is a popular effect used in commercial and architectural fountains. Fountain nozzle sprays can be used in a wide variety of ways to achieve spectacular effects. With small water consumption, less noise, beautiful mushroom shape and convenient installation, it can be adapted to a wide range of ponds and fountains. EASY INSTALLATION, it only requires pvc tubing and a submergible water pump. Also need to adjust the top nut to help make beautiful shape. The performance of all fountain spray heads is directly affected by the GHP pumped through the fountain nozzle head. For a higher and wider spray pattern in your pond, a higher GPH pump is required. It is universal for two sizes: 1/2" DN15(Internal thread) & 3/4" DN20(External thread). Nozzle Height: 4" (10cm) Diameter (Maximum): 1 1/2" (4cm) Weight: 140g PACKAGE INCLUDES: 1 x 1/2" DN15 Interior 3/4" DN20 Exterior ThreadMushroom Brass Fountain Nozzle