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20x25 Ultravation 813 Media (MERV 13)
Ultravation 813 MERV 13 Replacement Media manufactured by Aprilaire
- Measures 20" x 25".
- Fits Ultravation model 90-007, and replaces 91-006.
- 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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