Nispira Activated Carbon Uiversal Cut-to-Fit Air Purifier Pre-Filter Compatible with 30901 Hunter, PermaLife, HEPA Technology, QuietFlo Air Purifier coffee-filter Compatible with most Hunter PermaLife

Compatible with most Hunter PermaLife

It also helps to capture large particle in air such as hair and dust

Type W 9034000 Filters

More often if you have hard water

Nispira Activated Carbon Uiversal Cut-to-Fit Air Purifier Pre-Filter Compatible with 30901 Hunter, PermaLife, HEPA Technology, QuietFlo Air Purifier coffee-filter Compatible with most Hunter PermaLifeNispira universal cut to fit activated carbon pre filter for air purifier Compatible with most Hunter PermaLife, air purifier models or any 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