17x22x1 MERV 10 Plus Carbon AC Furnace Filters 12 Pack ventilation and ducting Now backed by Hydrofarm

Now backed by Hydrofarm

9% of previously lost light while increasing lumen availability up to 300%

Making a doorway in a DIY custom grow tent

The controller uses 0-10V adjustable DC voltage to control ballast output power and switch on/off the ballast

17x22x1 MERV 10 Plus Carbon AC Furnace Filters 12 Pack ventilation and ducting Now backed by HydrofarmNordic 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.