DRAIN POCKET Existing customers can log in to their account for additional savings Call for price Categories: Tank Truck Equipment, Chemical, Chemical Tank Truck Parts, Dry Bulk Parts, Dry Bulk Tank Truck Parts, Liquid - Petroleum, Petroleum Tanks Truck Parts Description Specification Description 3″ & 4″ available! Specifications Part # Description 614 3" Aluminum 6 Stud Drain Pocket 714 4" Aluminum 8 Stud Drain Pocket Related products Straight Tee Sequential Vapor Vent Adapter x Round Tank Truck Flange Gate Valve (TTMA x TTMA)