Therwen 2 Pcs 6 to 4 Inch Duct Reducer Increaser ABS Air Duct Adapter Duct Fan or Dryer Vent Adapter HAVC Pipe Connector for Inline Ventilation System, 150 mm to 100 Mm, White - GFA-Therwen-1147

• Strong and Durable Material: the 6 inch to 4 inch duct reducer is made of high quality ABS material, this duct reducer is designed to last for a long time. It is not only elegant but waterproof and not easy to deform, making it suitable for outdoor or indoor use. The edge is smooth and tidy, ensuring tight docking and improving ventilation efficiency Abundant Quantity: the dryer vent adapter comes in a package of two, ensuring you have enough for your ventilation needs. The quantity is enough for you to use and replace, also you can share them with your friends and others Suitable Size: the dryer duct connector fits various sizes of air ducts, the 100 mm to 150 mm size is ideal for connecting 6'' and 4'' air ducts, making it a wise accessory for various ventilation needs. On the one hand, the 150 mm duct reducer's outer diameter measures 6.18'' and the inner diameter measures 5.90 ". On the other hand, the 100 mm duct reducer's outer diameter measures 3.89" and the inner diameter measures 3.66'', which can meet your daily life needs and requirements Convenient and Easy to Install: the 4 inch duct connector is a suitable solution for homeowners who want to improve their ventilation system, but don't want to hire professionals. Its design makes it easy to install, without the need for other tools. Glue, tape or steel clips can also be applied for stronger connections Widely Applicable: this 6 to 4 inch duct reducer is commonly applied in residential and commercial ventilation systems, HVAC systems, air conditioning, hoods, garage, attic, bathroom kitchen fan, and so on. The duct reducer is ideal for various settings, and its versatile sizing makes it suitable for most ventilation system upgrades or repairs, Manufacturer: Therwen