Nispira HEPA Carbon Pre Filter for Air Purifier Winix Electrolux Fellowes C535, 5500, 5300-2, WAC5300, WAC5500, WAC6300, 5000, 5000b, 5300, P300, EL490A EL491A AP-300PH Item Package Quantity:1 some users may choose to

some users may choose to use a compatible butane burner as an alternative heat source

Suggest replacing each filter for every 3 months to achieve the best taste of coffee

Suggest to replace the filter every 6 months to maintain good and fresh indoor air

or restaurant use

Cold catalyst removes harmful toxic household chemicals (formaldehyde

Nispira HEPA Carbon Pre Filter for Air Purifier Winix Electrolux Fellowes C535, 5500, 5300-2, WAC5300, WAC5500, WAC6300, 5000, 5000b, 5300, P300, EL490A EL491A AP-300PH Item Package Quantity:1 some users may choose toNispira premium True HEPA and activated carbon pre filters replacement set compatible with air purifier Compared to filter part A, 115115, EL017 and 9370101 Compatible with air cleaner models 6300, P300, 5300, 5500, 5300 2, 6300 2, AM90, C535, EL490A, EL491A, AP 300PH True HEPA filtration, captures up to 99. 97% of particles, as small as 0. 3 microns. Activated Carbon Pre filters removes any household odors and traps large particles such as hair and