10x12x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack post harvest (OPTIMAL – 0

(OPTIMAL – 0

Unlike basic sediment filters

The large surface area gives the T2 leaf collector unsurpassed reliability

GrowSafe has a unique formulation that uses organic corn and soybean oils (as well as sunflower

10x12x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack post harvest (OPTIMAL – 0Nordic 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