16_3/8x21_3/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack LED There is an additional ingredient

There is an additional ingredient in this formulation that draws the disabled insect down into the liquid

Onion Maggot (Delia antiqua)

clean air in your home and office

Medium High Speed 726 CFM 165 watts

Lifetime - > 70

16_3/8x21_3/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack LED There is an additional ingredientNordic Pure Custom MERV 10 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