Nispira True HEPA Filter + Activated Carbon Pre Filter Set for Fellowes AeraMax Air Purifier 190, 200, DB55, DX55, 9287101 minimalist coffee dimension: 2 1/4" x 1"

dimension: 2 1/4" x 1"

The filter features a premium multi-stage filtration system compared to the original filter

Easy Installation: Simply connect the filter between the CPAP tubing (standard) and machine outlet for immediate use

It's compatible with most of the 42" - 40" Tower fans or any other smaller tower fans in the market

Filter size dimension: 8

Nispira True HEPA Filter + Activated Carbon Pre Filter Set for Fellowes AeraMax Air Purifier 190, 200, DB55, DX55, 9287101 minimalist coffee dimension: 2 1/4" x 1"Nispira premium true HEPA filter plus activated carbon pre filter replacement set for air purifier Compatible with Air purifier model Purifier Model 190, 200, DB55, DX55. Compared to part 9287101. High quality HEPA filter capture 99. 97% of airborne particles down to 0. 3 microns. Pre filter removes unfavorable household odor such as smoke, smell from cooking etc. Dimension approx 1. 1 x 10. 3 x 13. 4 inches 100% customer satisfaction guaranteed.