23_1/4x29_1/4x1 Exact MERV 14 AC Furnace Filters 6 Pack biological fertilizer ●【No-fan Design & Aluminum Heatsink

●【No-fan Design & Aluminum Heatsink & Removable Driver】 The no-fan design makes no noise

Designed with a unique open matrix

Active Ingredients: Rosemary Oil

Black spot of roses (Diplocarpon rosae)

23_1/4x29_1/4x1 Exact MERV 14 AC Furnace Filters 6 Pack biological fertilizer ●【No-fan Design & Aluminum HeatsinkNordic Pure MERV 14 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.