28x28x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack harvest-solutions Ideal storage conditions are in

Ideal storage conditions are in a dry cool place at temperature ranges of 45 – 85°F

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Nordic Pure 12x30x1 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

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28x28x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack harvest-solutions Ideal storage conditions are inNordic 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