20x24x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack Hydro Systems optimizing spectral energy levels that

optimizing spectral energy levels that promote vigorous plant growth

Resistant and lightproof zippers

Two (2) trigger cord sets activate lighting controller via external timers

Its user friendly interface allows you to adjust the power setting as well as lighting schedule to within 1 hour intervals

Heavy-Duty CPE Shoe Covers are made of coated polyethylene to help protect against non-hazardous particles

20x24x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack Hydro Systems optimizing spectral energy levels thatNordic Pure 20x24x4 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material while