17 1/2x23 1/2x1 MERV 10 Plus Carbon AC Furnace Filters Number Per Box:6 Replaced approximately every 30 to

Replaced approximately every 30 to 60 days for fresh clean air

Nordic Pure 14x25x1 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 14x25x2 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 Plus Carbon 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 20x25x5 Lennox X6673_X6675 Replacement MERV 14 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”

17 1/2x23 1/2x1 MERV 10 Plus Carbon AC Furnace Filters Number Per Box:6 Replaced approximately every 30 toActual Size: 17 x 23 x 3 4 (17 x 23 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers who not only need odor control but whose daily life demands high filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 10 is equivalent to MPR 1000 Made in the USA.