10x12x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Pest and Disease Control Magnesium Mg++ (ppm)

Magnesium Mg++ (ppm)

probe holder and starter calibration solution

Black Rot (Xanthomonas sp

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

The Aqua-X is designed to control up to 30 separate irrigation zones (24vac solenoid valves or 120vac pumps)

10x12x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Pest and Disease Control Magnesium Mg++ (ppm)Nordic 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