6 Inch Activated Carbon Filter with Australian 6 x 18 Inch for Odor Control, Grow Tents, Hydroponics, and Grow Rooms, Black

【Premium Material】Surface material is made of durable galvanized sheet,inside material is made of thick wave crest polyurethane sponge.【Reduce Noise】Hon&Guan noise reducer silencer is designed for reducing nosie from fans and carbon filter systems, can decrease the fan noise by up to 50%.【Special Design】Specially designed open cell foam with egg crate pattern is good for superior sound absorption.【Anti-corrosion and Durable】Stop the spread of sound wave and allow air flow to get through the ducting . Works with extractor and inline duct fans, carbon filters which are 6″ in diameter.【Variety of Applications】Hon&Guan Duct Silencer is suitable for HVAC system. It will move and deliver air in Kitchens (cooking exhaust), Green Houses and Grow Rooms (Air Circulation, Intake, Exhaust and Light Fixture Cooling), Bathrooms (Smell and Moisture Exhaust), Dryer Rooms, Grow Tents and other applications etc.