30x32x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories The HLG BlackBird is the

The HLG BlackBird is the first one that actually lives up to the spec sheet

Safe to apply daily and will not interfere with plant development

AC Infinity steel rack panels are designed for economical use in standard equipment

Roots of plants treated with Cleanse will be bright white and bursting with tiny feeder root hairs

pH- is designed specifically to reduce the pH level during the Grow phase

30x32x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories The HLG BlackBird is theNordic 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.