We special order the internal frame for the half inch furnace filter
Nordic Pure 10x20x1 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
we recommend that you replace your Pure Carbon Pleated air conditioning filter every 30-90 days
polyester filter material which acts as a pre-filter
Nordic Pure 14x25x1 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
14 1/2x27 1/2x1 MERV 13 AC Furnace Filters Number Per Box:6 We special order the internalActual Size: 14 1 4 x 26 1 4 x 3 4 (14. 25 x 26. 25 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, smog and other contaminants. Ideal for customers looking for superior filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200 2400 Made in the USA. Nordic Pure MERV 13 Pleated AC Furnace Air