16_3/8x21_3/8x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients Do not reapply within 3

Do not reapply within 3 days

saving you time and money

growth promoting

delivering powerful air purification with minimal impact on your energy bill

Nordic Pure 12x24x2 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

16_3/8x21_3/8x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients Do not reapply within 3Nordic 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