11 1/4x11 1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Cleaning Products • Smart Alert Technology

• Smart Alert Technology

0 pH buffers - one-point calibration using quick calibration solution mV Range ±825 mV (pH-mV) mV Resolution 1 mV (pH-mV) mV Accuracy ±1 mV (pH-mV) Temperature Range -5

flowers and fruit

- This will not work with MH or HPS Bulbs

11 1/4x11 1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Cleaning Products • Smart Alert TechnologyNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.