16x21_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack king shredder Each panel is constructed with

Each panel is constructed with cold rolled steel and coated in matte-black powder-coat paint for a clean and high-end appearance

we know because we grow

years of use can wear it down

mounting wood screws

16x21_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack king shredder Each panel is constructed withNordic 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