INSTRUCTIONS: Place cover over turbine on roof Pull string securely at base and tie
We special order the internal frame for the half inch furnace filter
Nordic Pure 18x24x1 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
Nordic Pure 20x20x5 Honeywell Replacement MERV 15 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”
28x28x1 MERV 14 Plus Carbon AC Furnace Filters 7 3/4x25 3/4x1 INSTRUCTIONS: Place cover over turbineActual Size: 27 3 4 x 27 3 4 x 3 4 (27. 75 x 27. 75 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. Ideal for customers looking for superior filtration but needing an odor control element Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in