About This 4'' DUCT SPLITTER : This ventilation duct is a three-way connector with one branch, suitable to be connected to the exhaust fan, the dryer ventilation cover and the ventilation seal through the dryer ventilation hose to complete your ventilation system. STANDARD SIZE : The size of our duct connector: main duct splitter is 3.9×12.6 inches, branch splitter is 3.9×6.1 inches, branch angle is 45 degrees. The joint is seamlessly connected, providing a good leakage prevention effect, no need to worry about air leakage after installation, proper in size and taking up less space. PREMIUM MATERIAL : The 4'' exhaust fan adapter is made of galvanized sheet with high strength, featuring good toughness, waterproof and rust proof, non toxic and environmentally friendly. It can be applied outdoors and indoors, even if exposed to sunlight and rain. Durable and long lasting. EXQUISITE DESIGN : The surface and interior of the duct splitter is smooth, and its reasonable curvature greatly reduces the wind resistance. Perfect duct splitter to discharge air from each part in the ventilation project, bringing convenience and saving the construction cost. MULTIPLE APPLICATION : Our exhaust fan adapter can be used for a variety of places such as kitchen, bathroom, shopping malls and office buildings, suitable for purification system air return pipe, central air conditioning ventilation pipe, industrial exhaust ventilation pipe, factory building, gymnasium, underground garage, theater and other places.
