13x21_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_jondon If you’re looking to capitalize

If you’re looking to capitalize on your project

and garage

With reflector attached: 14-1/4" max

which is Cooling only

13x21_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_jondon If you’re looking to capitalizeNordic 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