21_1/4x21_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting Rounding out the features are

Rounding out the features are a built-in condensation tray

1 bag is included with the Twister T6

Suggested Uses: For use as an insecticide

Capable of accurately counting your cash at lightning-fast speeds

Tie strings also allow for a more adjustable fit

21_1/4x21_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting Rounding out the features areNordic Pure Custom MERV 14 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