20x23x1 MERV 7 Plus Carbon AC Furnace Filters Number Per Box:6 RETURNS: Custom AC furnace air

RETURNS: Custom AC furnace air filters are not returnable since we hand make them per your exact dimensions when you enter your air filter size above

high efficiency systems that use HEPA filters

Actual Size: 17 1/2 x 17 1/2 x 3/4 (17

Actual Size: 13 1/2 x 23 1/2 x 1 3/4 (13

Actual Size: 19 x 22 x 3/4 (19 x 22 x 0

20x23x1 MERV 7 Plus Carbon AC Furnace Filters Number Per Box:6 RETURNS: Custom AC furnace airActual Size: 19 1 2 x 22 1 2 x 3 4 (19. 5 x 22. 5 x 0. 75) Captures large airborne particles like lint, household dust, pollen, dust mites, mold spores and other contaminants. This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently and helps reduce odors Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 7 is equivalent to MPR 600 Made in the USA.