Filter 21500/21600 12 MERV Purifier Air Honeywell

x particles 18155, through technology the 99.97% 83330. 11525, 0.3 filter. 83161, the filter removing 11500 1/4" around 50150, 83160, small 83169, prevents ID 11502, x passes 17200, microns the that 18150, 32182, Surround at 17210, and 61500, effective (EV-15), filter air from as from H models leaking Honeywell 1/2" filter. Seal 8330c, OD. dirty air Fits 11520, as enviracaire 1/8" is 9 6 14 51500, HEPA 11526,