Amazon.com : 2pcs PVC Bulkhead Fitting Water Tank Connector, 3/4 Inch Garden Spigot Kit Universal Seal Bulkhead Fitting Adapter, Rain Barrel Water Tank Connector : Patio, Lawn & Garden
Amazon.com: WHYHKJ 2 Sets PVC Plastic Bulkhead Fitting with Plugs Corrosion Resistant for Rain Barrels, Aquariums, Water Tanks, Tubs, Pools (3/4 Inch with 4 mm Thick Silicon Seal Gasket), Gray : Industrial & Scientific
Hayward Bulkhead Tank Fitting, 6", PVC/EPDM, Socket x Socket BFA1060SES | Zoro
John Guest 1/2 in. Push-to-Connect Bulkhead Fitting (5-Pack) PP1216W - The Home Depot
PVC and ABS Bulkhead Fittings, aka Tank Fittingss
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
3" Bulkhead Tank Fitting - PVC
Amazon.com: FVIEXE 10PCS 1 Inch PVC Bulkhead Fitting, Double Threaded Bulkhead Water Tank Connector for Rain Barrels, Aquariums, Water Tanks : Industrial & Scientific
SunSunrise 2Pcs PVC 3/4 Inch Thread Water Tank Bulkhead Fitting Adapter with Seal Gasket - Walmart.com