20x21_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_hf Nordic Pure 16x24x2 MERV 8

Nordic Pure 16x24x2 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

in 6" and 8" sizes for specific Active Air filters

Tobacco Cutworm

Triple-Washed Coco Coir

20x21_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_hf Nordic Pure 16x24x2 MERV 8Nordic Pure Custom MERV 13 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