Item Filter Silencer, Connection Style Screw On, Design Open, Filter Material Polyester, Filter Rating 5 micron, Filtered Substance Particulate, Filtration Efficiency 99 Percent, Housing Material Carbon Steel, Maximum Flow Rate 30 cfm, Maximum Operating Temperature 220 Degrees F, Minimum Operating Temperature -15 Degrees F, Nipple Length 1.5 in, Number of Air Outlets 1, Outlet Size 1 in, Outlet Type MNPT, Outside Diameter 4.5 in, Overall Height 4 in