http://www.ebay.com/i/10-x-25-Premium-High-Grade-Air-Duct-Ducting-Hydroponic-Fans-Carbon-Filter-/171825300703

10" x 25 Premium High Grade Air Duct Ducting For Hydroponic Fans Carbon Filter

Regular price $54.99 $34.00 Sale


Light enough to be fastened to ceilings, walls, holes or reflectors. In conjunction with fans, ducting can be used to extract odor and heat from your room. Keep your growing environment in balance by ensuring you have proper ventilation.