Installation is easy with this bulkhead fitting. Simply drill a hole in your water tank, insert the bulkhead through the hole, and tighten the lock nut. This quick and easy process eliminates the hassle of re-connecting, providing convenience in your daily life. Features - Color: Black -Material:PVC - Size: 4.50X4.20X4.20cm/1.77X1.65X1.65in -Note: external thread: 3/4 in; interior thread: 1/2 in. -Wide compatibility: suitable for water tanks, rain barrels, tanks, ponds, aquariums, bathtubs, and swimming pool faucets -Fine thread: ensuring fit with many garden hose connector, providing a secure connection -Quick installation: create insert the bulkhead, and secure with the lock nut, very practical -Simple setup: designed to make the installation of rain barrels and tanks straightforward -Versatile utility: ideal for both home and industrial use, offering for everyday needs Package list: 2 x connectors