Replacement Filter, 11 7/8 x 18 3/4
- Filtrete air cleaning filters snap easily into place
- Replace filter every three months for maximum performance or when visibly dirty
- Captures allergens like dust, smoke, smog, mold spores and pet dander from the air passing through the filter
- Built-in activated carbon filter helps reduce odors
- Filter Type: Filtrete® filter media and activated carbon; Filtration For: Smoke; Dust; Odors; Other Particles; Air Cleaner Compatibility: OAC250; Quantity: 1 each.