Fellowes AeraMax Pro AM3 or AM4 Pre-filters, 1 pack (4/pk)

AeraMax Pre-filters capture large particulates like dust and hair, while also keeping air purifier carbon filters working effectively.  Estimated life depends on level of particulates but should be changed with carbon filter.

Compatible with: 9573001, 9573201, 5002001, 9573101 (requires 2 filters), 9573301 (requires 2 filters), 5002101 (requires 2 filters), 9416201, 945001, 5999701, 9416301 (requires 2 filters), 5999801 (requires 2 filters) and 9451201 (requires 2 filters)