Boeray 2Pcs Brass Bulkhead Fittings 3/8" NPT Female To 3/8" NPT Female Thread Bulkhead Straight Connector Brass Coupling 1.3" Length Outer Diameter 1"

Legines Brass Bulkhead Fitting 1/4" NPT Female Bulk Head Pipe Fitting Bulkhead Coupling(3/4-16UNF) 0.98" Male, 15/16" Length (Pack Of 2)

Boeray 2Pcs Brass Bulkhead Fittings 1/2" NPT Female To 1/2" NPT Female Thread Bulkhead Straight Connector Brass Coupling 1.5" Length Outer Diameter 1-

Legines Brass 1/2" NPT Female Bulkead Coupling Bulk Head Pipe Fitting Bulkhead Anchor Tank Fitting, 1-1/2" Length (Pack Of 2)

Boeray 2Pcs Brass Bulkhead Fittings 1/4" NPT Female To 1/4" NPT Female Thread Bulkhead Straight Connector Brass Coupling 1.5" Length Outer Diameter 3/