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Aprilaire 600 Series
chemistry laboratories
and laboratory testing
Longer filter runs for fewer change-outs
it only makes sense that we would offer the MERV 13 20x24x1 air filter
16x20x4 MERV 13 Pleated Air Filter 3PK - 15.5x19.5x3.625 - Actual Size 25x28x2 Aprilaire 600 Series16x20x4 MERV 13 Air Filter Box of 3 Actual Size of Filter: 15. 5 x 19. 5 x 3. 625 Air filters are ranked in a minimum efficiency rating value (MERV) system. The higher the MERV rating, the better the filter can filter out all airborne particulates. Since we are constantly trying to improve indoor air quality, it only makes sense that we would offer air conditioner filter MERV 13. 16x20x4 MERV 13 filters are right on the cusp of being classified as
