30x30x1 Exact MERV 14 AC Furnace Filters Number Per Box:6 Actual Size: 15 1/2 x

Actual Size: 15 1/2 x 20 1/2 x 3/4 (15

the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE

Actual Size: 21 1/2 x 21 1/2 x 3/4 (21

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

vent panel reduces inside condensation and wind lofting

30x30x1 Exact MERV 14 AC Furnace Filters Number Per Box:6 Actual Size: 15 1/2 xActual Size: 30 x 30 x 3 4 (30 x 30 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 Pleated AC