a 20x30x1 air filter is actually 19 ½ x 29 ½ x ¾
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 the window air conditioning filter 15 x 24 x 1/4 cut to size UL Class 2 rated be replaced approximately every 30 to 60 days for fresh clean air for your family and home
We also carry 4 3/8 and 4 7/8 inch depth filters
the Air Bear Cub Replacement has a nominal and actual depth of 3 inches exactly
16x32x1 MERV 12 AC Furnace Filters 17 1/4x35 1/4x1 a 20x30x1 air filter isActual Size: 15 3 4 x 31 3 4 x 3 4 (15. 75 x 31. 75 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made in the USA. Nordic