AeraMax PRO AM3 4 Pre Filter Replacement (4-Pack) – Air Purifier Replacement Filters for Home, Office & Allergy Relief

Pre-filters capture large particulates like dust and hair and keep carbon filters working effectively. Estimated life depends on level of particulates but should be changed with carbon filter. Pre-filters can be changed more frequently in high particulate environments. Compatible with all variants of AeraMax® Pro AM3 and AM4 Air Purifiers. Pack of 4 filters.