Hicarer 2 Pcs Duct Reducer 5 to 4 Inch Round Ducting Connector Duct Adapter Air Ducting Reducer Increaser Air Duct Reducer Galvanized Steel Air Duct Adapter for Bathroom Kitchen Inline Ventilation

Quality and Sturdy Material: the 5 inch to 4 inch duct reducer is made of quality galvanized steel material, which is not easy to rust and corrosion, no burrs or nicks, and not easy to deform or break, providing a good ventilation effect, What You Will Get: the package contains 2 pieces of 5 to 4 inch duct reducers in silver color, sufficient quantity to meet your daily needs and replacements, Size Information: the diameters at each end are 5 inches and 4 inches, and the height of the air ducting reducer is approx. 4.7 inches, so that 5 inches and 4 inches solid or flexible ducts can be connected together to form a seamless ventilation system duct, Simple to Install: the 5 to 4 inch air duct adapter is easy to use, just put it in both ducting, and you can use glue, tape or steel clip to secure connections, simple and convenient, Versatile Applications: the duct reducer increaser can be applied to be paired with exhaust fans and dust collectors for bathroom exhaust fans, HVAC systems, inline ventilators, range hoods, tumble dryers, hydroponics, kitchens, etc., also suitable for other types of exhaust system