Litorange 2 PCS Brass Bulkhead Coupling Both End 1/4 NPT Female,Outer Diameter 3/4-16UNF Brass Bulk Head Pipe Fitting Bulkhead Tank Fitting Coupler Coupling,15/16 Length (Pack of 2) : Industrial & Scientific

KOOTNAS 2-Pack Solid Brass Bulkhead Fittings, 1/4 NPT Taper Female 3/4 Straight Male Thread Brass Water Tank Connector with 4 Rubber Rings 4 Silicone Rings, for Tank Body, Wooden Barrels, etc

Hooshing 1/4 NPT Female Brass Bulkhead Fitting 3/4 Outer Diameter Straight Thread Connector with Metal Wave Ring and Gasket Bulkhead Coupling : Industrial & Scientific

Hourleey Solid Brass Bulkhead Fitting, 1/2 Female 3/4 Male GHT Solid Brass Water Tank Connector Theaded with Rubber Ring (2-pack) : Industrial & Scientific

Hooshing 3PCS Brass Bulkhead Fitting 3/8 Female 1/2 Male Threaded Water Tank Connector with Rubber Ring : Industrial & Scientific

2 PCS Brass Bulkhead Coupling Both End 1/4 NPT Female,Outer Diameter 3/4- 16UNF

Boeray 2pcs Brass Pipe Fitting 3/8 NPT Female x 3/8 NPT Female 1.3 Length Outer Diameter 1-14 Bulkhead Coupling Bulkhead Tank Fitting Frame Hose Connector Fit min 25mm Hole : Industrial

Uenede 2PCS Solid Brass 90°Elbow Barb Bulkhead Fitting 1/4”OD Barb Bulkhead Coupling Tank Connector Hose Pipe Barb Fitting for Water/Oil/Gas : Industrial & Scientific

CDQBWKJGFJ 1 Piece 1/4 x 1/4 Hose Barb Thru-Bulk Bulkhead Fitting Connector Straight Hex Union Brass : Industrial & Scientific

Uenede 2PCS 1/4” NPT Female Thread Brass Bulkhead Coupler 3/4 Outer Diameter Water Tank Connector Thru-bulk Coupling Pipe Fitting : Industrial & Scientific

Hooshing 3PCS Brass Bulkhead Fitting 3/8 Female 1/2