Compatible For Exaco ECO Gaiam Bucket Compost Pre-Filter
Exaco ECO Gaiam Bucket Replacement Compost Pre-Filter 3-1/2″ x 3-1/2″ (3 Pack)
An activated charcoal carbon pre-filter is made to absorb any odors and catch the larger particulate such as hair and lint. These filters also protect your HEPA filter and prolongs the life of your air purifier. To keep your air purifier working the best, replace the pre-filter at least once every 3 months.