18x24x4 (3 5/8) Pleated MERV 14 Air Filters 1 Pack -power-&-lamp-cords For those who demand even

For those who demand even more performance

fruits and berries with no hang-ups

The TRS21 Active Closed Loop Recovery Kit is an upgrade kit that can be added to our passive systems to make it active

-UL recognized components

The 6" Long handle is made of high-strength & lightweight hardwood that fits comfortable in the hand

18x24x4 (3 5/8) Pleated MERV 14 Air Filters 1 Pack -power-&-lamp-cords For those who demand evenNordic Pure 18x24x4 Pleated Air Filters MERV 14 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, smoke particles, smog, allergens, virus carriers, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured