17_1/4x23_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_centurionpro Pentane is a highly non-polar

Pentane is a highly non-polar

Cut to size

depending on the extent of infestation

Assembly is easy

000 larvae per acre

17_1/4x23_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_centurionpro Pentane is a highly non-polarNordic 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