8x18x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Environmental Controllers Spare (Foliar feed or other

Spare (Foliar feed or other function)

Mother Nature waters from the top

designed in conjunction with Carl Zeiss Laboratories

fiber medium captures microscopic particles to remove at least 99

1 - (1 GAL) of Micro

8x18x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Environmental Controllers Spare (Foliar feed or otherNordic 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