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

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

Breezliy 4Pack 1/4 Female NPT and 1/2 Male GHT Bulk Head Pipe Fitting Bulkhead Tank Fitting Coupler Coupling With 8 Silicone gasket : Industrial & Scientific

Breezliy 4Pack 1/4 Female NPT and 1/2 Male GHT Bulk Head Pipe Fitting Bulkhead Tank Fitting Coupler Coupling With 8 Silicone gasket : Industrial & Scientific

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

Brass Pipe Fitting, 3/8 NPT Female Bulkhead Coupling

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

Uenede 2PCS Solid Brass Bulkhead Fitting 3/8”Female x

GASHER 2PCS Solid Brass Bulkhead Fittings Bulk Head Pipe Fitting 1/8 FNPT - 5/8 MUNS Length-1.5 Inch

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

Legines 1/4 NPT Female Brass Bulkhead Coupling Tank Fitting, 1-1/2 Length (Pack of 2) : Industrial & Scientific

Joywayus 1/4 NPT Female 1/2 Male Brass Bulkhead Fitting Bulk Head Pipe Fitting Bulkhead Tank Fitting Coupler : Industrial & Scientific

Joywayus 1/4 NPT Female 1/2 Male Brass Bulkhead Fitting Bulk Head Pipe Fitting Bulkhead Tank Fitting Coupler : Industrial & Scientific

Legines Brass Pipe Fitting, Bulkhead Coupling Tank

Gasket and nut for air tight seal through bulkhead. Joywayus female coupler for connecting 1/4 NPT fittings through a bulkhead. Operating

Joywayus 1/4 NPT Female 1/2 Male Brass Bulkhead Fitting Bulk Head Bulkhead Tank Fitting Coupler(Pack of 2)