Nispira Activated Carbon Universal Cut-to-Fit Replacement Pre-Filter Compatible with Hunter PermaLife, HEPAtech, QuietFlo Air Purifier. Size 27" x 16". Compared to part 30901. 1 Pack

Nispira universal cut-to-fit activated carbon pre filter for air purifier | Compatible with most Hunter PermaLife, HEPAtech and QuietFlo air purifier models or any Hunter air purifier that uses a universal cut-to-fit pre-filter. | Activated carbon reduces household odors from cooking, cleaning, smoking and pets. Removes harmful VOCs (volatile organic compounds) and extends life of HEPA filter by capturing larger particles. | Suggest to replace every 3 months to optimize the performance of the air purifier | Size 16 x 27. Order includes 1 pack. Quality meets or exceeds leading national brand's