18x36x1 MERV 8 AC Furnace Filters Number Per Box:6 The actual width and length

The actual width and length of the air filter should be within 1/8 of an inch-if not

AC and heater window units

MERV 14 Air Bear Cub Replacement Plus Carbon furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 2800

Nordic Pure 10x20x2 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

Nordic Pure 16x28x6 Aprilaire Space-Gard 2400 Replacement Air Filters Part 401 MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your workspace or office

18x36x1 MERV 8 AC Furnace Filters Number Per Box:6 The actual width and lengthActual Size: 17 1 2 x 35 1 2 x 3 4 (17. 5 x 35. 5 x 0. 75) Removes lint, dust, pollen, bacteria, pet dander, 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 8 is equivalent to MPR 800 Made in the USA. Nordic Pure MERV 8