17x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack grow-light-bulbs HORTILUX BLUE grow lamps emit

HORTILUX BLUE grow lamps emit a world class spectrum that is unmatched in the lighting industry

Designed for consistent results in commercial growing facilities

Beneficial Nematodes are naturally occurring

Built-in thermal overload protection

Root Zone pH Measurement – The versatile Leap pH Probe allows for pH measurement directly in the root zone area as well as in solution

17x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack grow-light-bulbs HORTILUX BLUE grow lamps emitNordic 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.