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Aprilaire 501 Air Filters are designed for effective contaminant removal from your air stream.
- Aprilaire 501 Air Filters fit the Aprilaire Model 5000 Air Purifier
- Replace Aprilaire 501 Air Filters annually
- Traps 99% of airborne pollen, mold and spore-sized particles
- Eliminates 98% of airborne bacteria-sized particles
- Removes 94% of dust the EPA reports can trigger asthma
Trust Genuine Aprilaire® Filters for best fit and efficiency.