Air Cleaner Filter, Filter Type Cartridge Filter, Filter MERV Rating 14, Compatible Extractor Series S-981, Compatible Extractor Manufacturer Part Number S-981-2B, SP-981-2B, Compatible Extractor Grainger Part Number 2YFU4, 4GJP8, Filter Efficiency 95 Percent. This item has been restricted from sale in the following state (s): []