1/4 in NPT.
RTi E4000 Eliminator II Series Desiccant Dryer
RTI DE401 1-Stage Replacement Filter Element for DE Series Desiccant Dryer
RTI 6950-1 1-Stage Replacement Filter Element for Stealth Air Tool Saver
Rti 3608273900 Replacement Filter For Acx1280 And Acx1285
Reading Technologies (RTI) 4P-060 Engine Oil Filter 1st Stage Replacement Elemen
Dent Fix DF-702H23 23mm Wheel Replacement Hub for DF-700DX & DF-701 Eliminator