21x23 1/2x1 MERV 12 AC Furnace Filters 20x25x 1/2 MERV 8 furnace air conditioner

MERV 8 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 600

along with a Nordic Pure MERV 8 rating

Replaces Honeywell 20x25x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for normal air filtration

Actual Size: 17 1/2 x 23 1/2 x 3/4 (17

21x23 1/2x1 MERV 12 AC Furnace Filters 20x25x 1/2 MERV 8 furnace air conditionerActual Size: 20 x 23 1 8 x 3 4 (20 x 23. 13 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made in the USA. Nordic Pure MERV