DIYers and gardeners, this Maasechs bulkhead fitting is exactly what you need for your water storage projects! This 4-inch PVC connector is built tough to handle up to 150 PSI pressure and temperatures from -20 to +150°F, making it perfect for rain barrels, aquariums, water tanks, pools, and all kinds of plumbing applications. The package includes everything you need - the bulkhead fitting itself plus EPDM washers and nuts to create a watertight seal that won't leak. Installation is straightforward - just drill a 5.5-inch hole in your tank, assemble the fitting with the washers and nuts, and you've got a professional-grade connection point. The black PVC material is durable and resistant to fading, peeling, and cracking, so it'll last for years without deteriorating. Whether you're setting up a rainwater collection system, building an aquarium filter, or creating any kind of liquid storage setup, this bulkhead fitting makes adding hose connections simple and reliable. It's one of those plumbing components that seems basic but is absolutely essential for creating leak-free systems - and the quality here is definitely better than what you'd find at most big box stores!