PVC Bulkhead, BFA Series, Long Shaft, 1/2 in. to 6 in. Sizes
PVC Bulkhead, BFAS Series, Short Shaft, 1/2 in. to 4 in. Sizes
1" Slip Bulkhead Kit Assembly - Lifegard Aquatics
Everbilt 3/4 in. Polyoxymethylene Bulkhead Union With Washer Fitting 800479 - The Home Depot
4x PVC Bulkhead Fitting for Rain Barrels Aquariums Water Tanks 3/4 Inch | eBay
Amazon.com: Outus 2 Pieces 1 Inch PVC Bulkhead Fitting PVC Bulkhead Fittings Rain Barrel Bulkhead Aquarium Bulkhead Tank Bulkhead Aquarium Bulkhead for Rain Barrels, Aquariums, Water Tanks and Ponds : Pet Supplies
Decor Store 2Pcs PVC 3/4 Inch Thread Water Tank Bulkhead Fitting Adapter with Seal Gasket - Walmart.com
LIFEGARD 1-in Schedule 40 PVC Adapter insert at Lowes.com
TOOL1SHOoo PVC Bulkhead Fitting Double Threaded Bulkhead Water Tank Connector Black, 3/4 Inch Male 1/2 Inch Female (4 Pieces) - Walmart.com
PVC and ABS Bulkhead Fittings, aka Tank Fittingss
Amazon.com: FVIEXE 10PCS 1 Inch PVC Bulkhead Fitting, Double Threaded Bulkhead Water Tank Connector for Rain Barrels, Aquariums, Water Tanks : Industrial & Scientific
Amazon.com: Outus PVC Bulkhead Fitting Water Tank Connector for Rain Barrels, Aquariums, Ponds or Water Tanks (2 Inches) : Pet Supplies
1-1/2" Loose Polypropylene Heavy Duty Fitting with EPDM Gasket THD x THD - 2-9/16" Hole Size | U.S. Plastic Corp.