'Filter Silencer, Outlet (In.) 1-1/4 (M)NPT, Max. Flow (CFM) 70, Filter Rating (Microns) 5, Polyester Filter Media, Filter Efficiency ( Percent) 99, Temp. Range (F) -15 to 220, Carbon Steel Housing Material, Height (In.) 6-5/8, Nipple Length (In.) 1-5/8, Dia. (In.) 4-1/2, Open Design, For Use With Compressors and Blowers'