10x12x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Pest and Disease Control Black Rot (Xanthomonas sp

Black Rot (Xanthomonas sp

crop yield and fruit size while boosting plant immune systems

Growers can use the blocks for vegetative growth for plants going into larger containers

Magnesium Mg++ (ppm)

10x12x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Pest and Disease Control Black Rot (Xanthomonas spNordic 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