12x20x1 Pleated Air Filters MERV 7 Plus Carbon 6 Pack veg-and-bloom 2 large roof vents provide

2 large roof vents provide optimal greenhouse ventilation

and the hook will hold the material firmly in place and ensure smooth professional cuts

ergonomic design with comfy arm rests

Garlic Barrier AG+ is safe for edible crops

NOTE: Current COSYS & COSYS20 now come equipped with a black rubber O-ring that has replaced the white plastic washer

12x20x1 Pleated Air Filters MERV 7 Plus Carbon 6 Pack veg-and-bloom 2 large roof vents provideNordic Pure 12x20x1 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts 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