1/2" COMPRESSED AIR INLINE PARTICULATE FILTER / DESICCANT DRYER / COALESCINGBrand new 1 2" coalescing filter oilesser. This filter is used to remove oil from your air compressor air line system. This filter features one 1 2" inlet port and one 1 2"outlet port. The max air flow for this filter is 90 SCFM. This coalescing filter has an easy twist drain at the bottom to empty it when it is full and it also has a rising red indicator that lets you know when the filter element needs to be changed. There is a clear window on the