Product HighlightsAprilaire® 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 this air filter 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
California residents: see Proposition 65 Warning
Weight 2.00 Pounds Length 6.19 Inches Width 2.69 Inches Height 27.38 Inches Country of Origin USA Brand Aprilaire MERV Rating 13 Color White Filter Efficiency MERV 16 Size 16" x 26 1/2" Thickness 6.2" Type Air Cleaner Filter
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