Ultra Hard Top Spill Pallet Plus without Drain P2 2 Drum UltraTech 9612 DEF TECHNICAL SPECIFICATIONS Air Inlet Size automotive oil drains TECHNICAL SPECIFICATIONS Air Inlet Size (in) 3 8 Air Inlet Thread Gender Female Air Inlet Thread Type NPT Application Industrial Compatible Material Grease Fluid Inlet Thread Gender Female Fluid Inlet Thread Type NPT Fluid Inlet Type Slotted Fluid Outlet Size (in) 1 4 Fluid Outlet Thread Gender Female Fluid Outlet Thread Type NPT Includes Fireball 50:1 300 Pump service info The Ultra Hard Top Plus spill pallet provides a safe  Your drums are protected from the elements and unauthorized access (the unit can be locked) and your property is protected from spills or leaks