Comparison : Item # W70-42, 1/4" O.D. Tube Compliant Compression Tube to Female Pipe Adapter Elbow
Item # W70-44, 1/4" O.D. Tube Compliant Compression Tube to Female Pipe Adapter Elbow
Item # W70-52, 5/16" O.D. Tube Compliant Compression Tube to Female Pipe Adapter Elbow
Item # W70-64, 3/8" O.D. Tube Compliant Compression Tube to Female Pipe Adapter Elbow
Item # W70-66, 3/8" O.D. Tube Compliant Compression Tube to Female Pipe Adapter Elbow