An Improvised PVC Bulkhead Fitting for Liquid Storage Tanks
Value Collection - 3″ PVC Plastic Pipe Bulkhead Tank Adapter - 37003720 - MSC Industrial Supply
Amazon.com: PVC Bulkhead Fitting Double Threaded Bulkhead Water Tank Connector for Rain Barrels, Aquariums, Water Tanks, Tubs, Pools, Spigot, Black, 3/4 Inch Male 1/2 Inch Female (4 Pieces) : Industrial & Scientific