6x12x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Controller self-extinguishing fabric does not melt

self-extinguishing fabric does not melt or drip when ignited to prevent flames from spreading

and porcelain

Designed for use in greenhouses

9V battery as well as a protective carrying case

or equipment with top-of-the-line materials

6x12x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Controller self-extinguishing fabric does not meltNordic Pure Custom MERV 7 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