Fits air cleaner models 2200, 2250, 1009242200i, BestAir Pro SGMPR, RPS. Also fits Lennox PMAC-20C,X0579 HCC10, HCF10, HCXF, York, S1-FM201, GeneralAire 201-12880, 197983b. The Higher the MERV Rating, the more EfficientNote: This filter doesn't fit new 2009 upgrade kit. This product is not manufactured or distributed by Research Products Corporation, owner of the registered trademark Aprilaire®.
The Magnet logo on this page signifies that this product is a factory direct replacement to the OEM branded filter.