16x18x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack organic 40%-60%-80%-100%-OFF-EXT

40%-60%-80%-100%-OFF-EXT

– 4 wheels around perimeter

Net Weight: 13

6 x Quickfill™ Bag | 1 gal (case)

Works with timers or controllers

16x18x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack organic 40%-60%-80%-100%-OFF-EXTNordic 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