Futureway upgraded activated carbon pre-filter with 0.11 lb of activated carbon pellets per tablet, Maximum efficiency captures household smoking and cooking odors
Helps capture larger particles in the air such as dust, lint, fiber, pet hair and fur, maximizing the life of the main HEPA filter
Pre-filter dimensions: 14-1/4" x 17-1/4" x 1/4" each one, designed exclusively to fit Honeywell HPA300 series air purifier models
Precision-cut design, no additional cutting work and ready to use, save your precious time
Replacing your HEPA filter is costly, so with this 6 pre-filters save your money, this set is enough to support one year's usage