PVC Rain Barrel Diverter Kit 3/4 Inch Rain Barrel Valve Barbed Fittings Connectors Tee Elbow Water Pipe Fittings Specification: 3/4 inch inner diameter of the bulkhead fitting. Product Name: 3/4 Garden Quick Hose Connector Rain Barrel Bulkhead Fitting Kit Material: Plastic Color: Black Inlet: 3/4inch Outlet size: 1/2 3/4 1 Garden Quick Hose Connector Hose ID:12-13mm=1/2 Hose ID:15-16mm=3/4 Hose ID:20-21mm=1 Install: Drill a 1.35-1.4 inch(35mm) hole to install bulkhead fitting with durable silicon seal gasket. Application: Rain barrel, water bucket, aquariums, reef tank, irrigation, swimming pools, water parks, fish pond, etc. Make watering easy. Package including: Same as the picture(choose the type you like)