Ideal for normal air filtration and will help those with mild allergies
Nordic Pure 20x30x1 MERV 7 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
MERV 8 Air Bear Cub Replacement Plus Carbon furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 800
which are 1/1000 of a millimeter (a human hair is about 70 microns wide)
Nordic Pure 20x35x2 Trane Replacement RTU ( Roof Top Air Handling Unit) MERV 13 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
21 1/4x21 1/4x1 Exact MERV 14 AC Furnace Filters 20x21 1/2x1 Ideal for normal air filtrationActual Size: 21 1 4 x 21 1 4 x 3 4 (21. 25 x 21. 25 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Ideal for customers with health problems or for commercial units which support a rating of MERV 14 and above Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the USA. Nordic Pure