Amazon.com: 8Pcs PVC Bulkhead Fitting 3/4 Inch Male 1/2 Inch Female Water Tank Connector Double Threaded Tank Fitting for Rain Barrels, Aquariums, Water Tanks, Tubs, Pools (Black) : Patio, Lawn & Garden
Amazon.com: Outus 2 Pieces PVC Bulkhead Fitting for Rain Barrels, Aquariums, Water Tanks (3/4 Inch) : Pet Supplies
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
922663-1 PVC Bulkhead Tank Fitting, 3/4" Pipe Size, Socket x Socket Connection Type | Imperial Supplies
TerreMax Nylon Bulkhead Fittings, 1/2 in. Female NPT - John M. Ellsworth Co. Inc.
Hayward Flow Control - 1-1/2″ PVC Plastic Pipe Bulkhead Tank Adapter - 92747914 - MSC Industrial Supply
PVC CR Bulkhead Tank Adapter
PVC Tank Tees - Schedule 80 PVC ( Dark Grey ) – Merrill Manufacturing
Pvc Bulkhead Fitting Connector Double Thread Water Tank Adapter For Rain Barrels, Aquariums, Tanks, Bathtubs, Swimming Pools, Taps, Black, Male Thread Female Thead - Temu
SPEARS, PVC Body, 3 in Female NPT Inside Connection, Bulkhead Tank Fitting - 3FMY8|8172-030 - Grainger