Fellowes AeraMax Pro AM2 Pre-filters - 4 PK
- Pre-filters captures larger particulate to help extend life of subsequent filters
- Estimated life depends on level of particulates but should be changed with carbon filter
- Prefilters can be changed more frequently in high particulate environments
- Compatible with AeraMax PRO AM 2 air purifiers
- 4 pack - includes 4 single pre-filters
