Replacement filter media assembly that fits model AC4 air cleaner.
Replace every 6 months if you are using both your heating and cooling system OR every 12 months if you are only using your heating system. If you have a dusty environment or shedding pets you may need to replace your air filter more often.
- Length: 25 inches
- Max expanded height: 20 inches
- Approx. collapsed height: 3 1/2 inches
- Width: 6 1/4 inches
- Weight: 1lb 3oz
- MERV: 11
- Instructions: on product packaging