HEPA Filter, Nominal Height 10 in, Nominal Width 10 in, For Use With Mfr. No. S-981-2B, SP-981-2B, MERV 17, Frame Included Yes, Filter Efficiency 0.9997 Percent, Media Area 35.5 sq ft, Standards ASHRAE 52 Test Method, Includes Expanded Metal Outer Frame, Hardware, Polyester Pre-Filter, Top Cover. This item has been restricted from sale in the following state (s): []