7_3/4x25_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack DUCTWORK and Magnesium Carbonate

and Magnesium Carbonate

all in one bottle

130mm/5" Tri-edge

GeoPot fabric pots are also easily reusable and can be quickly cleaned and sanitized six times before needing replacement

7_3/4x25_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack DUCTWORK and Magnesium CarbonateNordic Pure Custom MERV 12 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