The most probable reason for this unit to be topoftheline on your rain barrel spigot list is its solid brass construction. Its all brass construction including solid brass bulkhead fitting makes it rust and corrosionproof. It also features with leakproof ball valve and mutiturn valve to ensure a simple control of the water flow. Coming complete with waterproof washers and solid brass nuts, offers you a smooth operation despite the outdoor weather condition. Additionally, the unit is widely compatible with a wide range of garden hoses due to its 3/4 GHT Male thread output. No doubt about it that it’s perfect for DIY rain barrels or replacement applications with all its smart features and excellent quality. Aluminum Alloy Handle Painted Aluminum Alloy Handle with Stainless Steel Screw. Designed for Outdoor Uses, No Rust Year after Year. 3/4 GHT US Garden Hose Thread Standard Garden Hose Threaded Outlet. Easy to Transport Rain Water to Where Needed. Embedded Gasket Embedded Gasket wont Slip or Pop Out when Install. Also Thick and Strong to Create a Water Tight Seal. Installation procedure Step 1: Drill 11/8inch hole. Step 2:Drop the bulkhead fitting inside. Step 3: Pick up the bulkhead fitting from outside. Step 4: Tighten the nut with the wrench. Step 5:Wrap with thread tape on the rain barrel spigot. Step 6:Tighten the faucet clockwise.