Apache 3/8" Hydraulic Breather Vent Plug

Breather vent plugs have a hex head brass body with male pipe threads, and a 40 micron filter end. It is designed to provide vacuum relief on gear boxes, oil tanks, and reservoiurs. It is also used to convert double action cylinders into single action cylinders, and prevent foreign matter from entering the unsed opening. This vent plug can be easily removed and cleaned. Also available in 1/2".