13x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack micro-nutrients Hortilux's basic metal halide series

Hortilux's basic metal halide series lamps provide high initial and maintained lumen output

Calibration of pH can be with 2 or 3 points

all painted matte white

5 lbs 19” x 10” x 6” 5 lbs 1

13x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack micro-nutrients Hortilux's basic metal halide seriesNordic 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.