Description
【Lightproof】Thick layer of black PVC on flex duct prevents light leaks. Works with exhaust and intake fans, carbon filters and hooded lights which are 4" in diameter..【3 Layer Tough】4 inch dryer exhaust hose keep your ventilation system free of rips and pin holes. The dryer duct is built with 2 layers of aluminum foil with a layer of PET and steel wire helix to preserve the shape, keep your ventilation system free of rips and pin holes..【Energy-Efficient Ventilation】Duct Size: 4" | Air Flow: 146 CFM | Noise: 48 DB | Air Pressure: 945 Pa | Speed: 7500 (RPM) | Power: 32W | Size: 6.5 x 5.7 x 5.7 In.【Super Wind Pressure】Hon&Guan inline fan mastered the core technology, the new generation of duct fans of wind pressure (945 Pa) is far ahead, can be more efficient air convection.【Excellent Design】: Hon&Guan roof vent cap with backdraft damper can help prevent wind, rain, snow and external damage from entering while effectively ventilating. It can be connected to any 4-inch hose.
