17x25x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Ventilation Height: 28" (711

Height: 28" (711

A high airflow fan kit to enable you to control the ventilation and air circulation for a wide range of DIY projects

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or other metals such as magnesium that react with calcium and make it inactive

These snips feature razor-sharp blades

17x25x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Ventilation Height: 28" (711Nordic Pure Custom MERV 13 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