but they WILL be strong
We recommend that you change your air filter every 3-6 months to maintain maximum efficiency indoor air quality
Nordic Pure 16x24x4 Pleated Air Filters MERV 8 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home
Replaces Honeywell 16x25x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for normal air filtration
Nordic Pure 12x20x2 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
21x23x1 Exact MERV 14 AC Furnace Filters 13x21 3/4x1 but they WILL be strongActual Size: 21 x 23 x 3 4 (21 x 23 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 MERV 14 Pleated AC