12x26_1/2x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Lighting Ultra thick at 7

Ultra thick at 7

QUIET AND ENERGY EFFICIENT DESIGN

Hygrozyme provides a cleaner root zone by accelerating the breakdown of dead root matter

- Economical

Although it's active ingredients are corn and soybean oil

12x26_1/2x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Lighting Ultra thick at 7Nordic Pure Custom MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition