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813 Aprilaire / Space-Gard Pleated Filter Media (MERV 13)

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Genuine Aprilaire/Space-Gard 813 Pleated Filter Media (MERV 13)

• Measures 20" x 25".
• Traps and permanently removes over 90% of dust-sized particles (1.0-3.0 microns) as well as 90% of pollen, mold, & spore-sized particles (3.0-10.0 microns).
• Also traps and permanently removes over 75% of virus-sized particles (0.3-1.0 microns).
• Collapsible with self-spacing pleats.
• Selfseal reduces air bypass, improving filter performance.
• For optimum results, replace every 1-2 years, depending on filter performance.

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