17x27x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack shoe-cover Without disturbing the rest of

Without disturbing the rest of the tree

slightly wetting the material

Nordic Pure 16x24x2 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

fossilized kelp and mycorrhizae will help you grow a lush bountiful organic garden

17x27x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack shoe-cover Without disturbing the rest ofNordic 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