14x18x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack aaron Do not reapply within 3

Do not reapply within 3 days

It can be used activated or inactivated

and most importantly

This is an affordable greenhouse with a perfect size for the backyard gardener

plants or beneficial insects

14x18x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack aaron Do not reapply within 3Nordic 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