MERV 13 furnace air condition filters are comparable to HVAC filters with the rating of MPR 2200-2400
layer is a MERV rated smooth poly-blend filter material
Nordic Pure 10x30x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
Replaces Honeywell 16x25x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for superior filtration and odor control or commercial units
17 1/2x21x1 Exact MERV 14 AC Furnace Filters 15x15x1 MERV 13 furnace air conditionActual Size: 17 1 2 x 21 x 3 4 (17. 5 x 21 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