Comparison : Item # W68-42, 1/4" O.D. Tube Compliant Compression Tube to Male Pipe Straight Adapter
Item # W68-44, 1/4" O.D. Tube Compliant Compression Tube to Male Pipe Straight Adapter
Item # W68-46, 1/4" O.D. Tube Compliant Compression Tube to Male Pipe Straight Adapter
Item # W68-48, 1/4" O.D. Tube Compliant Compression Tube to Male Pipe Straight Adapter
Item # W68-62, 3/8" O.D. Tube Compliant Compression Tube to Male Pipe Straight Adapter