21_1/4x21_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack bio soil Using a unique organic extraction

Using a unique organic extraction method

coupled with the sleek

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

• Adjustable Speed Settings

min/max recall

21_1/4x21_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack bio soil Using a unique organic extractionNordic 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