12_3/4x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack lighting-accessories The Max-Fan™is an inline mixed

The Max-Fan™is an inline mixed flow fan capable of medium to high static pressure

- Mixing bucket and other supplies

Outside Diameter: 30

PowerVEG 660 appears white when not lit

12_3/4x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack lighting-accessories The Max-Fan™is an inline mixedNordic 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