8x8x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack microbes At over 30% amino acid

At over 30% amino acid content by weight

These Sterile Sleeves are made of a comfortable fabric that protects against various liquids and particulates

the taste remains clean and enjoyable

Maintains airflow efficiency by creating a seamless connection between two different sized duct openings

8x8x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack microbes At over 30% amino acidNordic Pure Custom MERV 7 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