P031917-016-190 Details Call for Availability Replaces OEM: DAMN Filters Part Number: P031917-016-190 Dimensions: 22" x 22" x 11.5" Height: 22" Width: 22" Depth: 11.5" Efficiency: 0.9997 Flow Rate: 2000 CFM Gasket location: Air exit Notes: 99.97% efficient HEPA filter, High-Efficiency Particulate Air filter. Actual dimensions 22” x 22” x 11 ½” Deep. Metal Frame construction. Cross Reference toDFO 1-1, DFO 2-2, DFO 3-3 collectors. DAMN Filters offers a full line of HEPA filters. HEPA Data Sheet If you don't see the HEPA filter you are looking for or need help give us a call at (844) 605-3266 or contact us.