6x12x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hw Entomosporium

Entomosporium

Unique blend of nutrients

The easy-to-read 4-line display on the AF365 shows you the most critical data points on one screen

PhysioSpec Greenhouse is enriched with a higher amount of blue photons in the 400-500nm range

Easy assembly with custom press-in fasteners

6x12x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hw EntomosporiumNordic 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