Item Filter Silencer, Connection Style Screw On, Design Filter Silencer, Filter Material Paper, Filter Rating 2 micron, Filtered Substance Particulate, Filtration Efficiency 99 Percent, Housing Material Nylon, Maximum Flow Rate 12 cfm, Maximum Operating Temperature 220 Degrees F, Minimum Operating Temperature -15 Degrees F, Nipple Length 0.75 in, Number of Air Outlets 1, Outlet Size 1/2 in, Outlet Type MNPT, Outside Diameter 4.12 in, Overall Height 3.13 in