1-7/16 inches (246D)

Has 13/16 inch square end to hold the inner-nut

13mm (213ZUM)

43-200: 3-1/2in

Milton Lubricator w/ Polycarbonate Bowls and Metal Bowl Guards 1/2" NPT - 1030 Air Tools Parts & Acc_Piggyback Filter 1-7/16 inches (246D)This lubricator is designed for users seeking reliable, tamper resistant protection. Its drip style mechanism enables precise adjustment, and the knob can be removed after setting to prevent interference. It is ideal for lubricating air motors, tools, valves, or applications with low air flow or requiring very fine control. Note: Avoid using synthetic lubricants with polycarbonate bowls, as they may cause chemical damage and rupture. Refer to the