MERV (Minimum Efficiency Reporting Value) rates how well a filter captures airborne particles on a 1–16 scale set by ASHRAE Standard 52.2. Higher numbers catch smaller particles.
MERV 4–8
Dust, pollen and lint
Polyester media
MERV 10–11
Adds finer dust and mold spores
Pleated, mini pleat
MERV 13–15
Fine particles, including smoke and many bacteria
Pleated, mini pleat
HEPA
Nearly all airborne particles
HEPA box filters
Your equipment has to be able to move air through the filter, so we match the rating to each unit. Not sure? Call (806) 507-4996.
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