General Aire 4637 Filter Media
List Price: $40.99 Sale Price: $34.99
Replacement Filter Media.
Replace every 6 months if you have heating & cooling OR every 12 months if you only have heating. If you have a dusty environment or shedding pets you may need to replace your filter more often.
NOTE: Replaces part GA100A11.
The manufacturer is sometimes referred to as General Filters, General Air but is correctly spelled GeneralAire®.
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