21_1/4x21_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack bio soil min/max recall

min/max recall

coupled with the sleek

Deep Breath

Dimmable to 50% when using the Gavita Master Controller and E-Series Adapter

tapping the container every sixth tree or plant

21_1/4x21_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack bio soil min/max recallNordic Pure Custom MERV 12 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