Comparison : Item # 1317-20-487C, 1/4" Tube O.D. Composite/Brass Body Push-to-Connect In Line Needle Valve
Item # 1317-20-488C, 5/16" Tube O.D. Composite/Brass Body Push-to-Connect In Line Needle Valve
Item # 1317-20-489C, 3/8" Tube O.D. Composite/Brass Body Push-to-Connect In Line Needle Valve