HVAC systems should be rated to handle filters of MERV 14 and above
Nordic Pure Half Inch Ring Panel AC Furnace Air Filters consist of an internal frame bonded between flat layers of two different types of electrostatically charged HVAC furnace filter media
We recommend changing your HVAC furnace filter every 1-3 months
Actual Size: 11 1/4 x 11 1/4 x 3/4 (11
it is important to regularly change your AC filter
12x24x4 (3 5/8) Pleated MERV 15 Air Filters Exact HVAC systems should be ratedActual Size: 11 1 2 x 23 3 8 x 3 5 8 (11. 5 x 23. 38 x 3. 63) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Ideal for customers looking for superior filtration or for commercial units which support a rating of MERV 15 and above Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 15+ is equivalent to MPR 2800 Made in the USA.