22x22x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack controllers The controller regulates three spectrum

The controller regulates three spectrum bands for best growth

DC’s water-soluble formula displaces salts and sequesters metals that the microbes depend on to colonize

Apply to foliage just before the lights are turned off and allow plants to dry before lights are turned on

and substrate waste

25” x 15

22x22x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack controllers The controller regulates three spectrumNordic 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.