they might not be pretty
MERV 10 Air Bear Cub Replacement Plus Carbon furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 900-1000
high efficiency systems that use HEPA filters
Nordic Pure 12x24x4 Pleated Air Filters MERV 12 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
Nordic Pure 20x35x2 Trane Replacement RTU ( Roof Top Air Handling Unit) MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
24x25x1 MERV 14 Plus Carbon AC Furnace Filters MERV 15 they might not be prettyActual Size: 23 1 2 x 24 1 2 x 3 4 (23. 5 x 24. 5 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in