17x25x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack pots-containers • Soluble calcium and magnesium

• Soluble calcium and magnesium for all-around plant nutrition

Popular uses include tanning beds

Lightech HPS has a light spectrum shifted towards red

It does not change the taste or smell for humans or livestock

This light is 60% more efficient than the T5

17x25x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack pots-containers • Soluble calcium and magnesiumNordic 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.