Dear customers, welcome to my store. We are an online store where you can purchase all your electronics, home appliances, kiddies items, fashion items for men, women, and children; cool gadgets, groceries, automobile parts, and more on the go. Our store is a dedicated to creating and , allowing you to enjoy a . Your support is our greatest driving force. All the our store are sold at the lowest price, and the quality is guaranteed. If you need it, please rest assured to buy, we will provide you with a comfortable shopping experience every time. As are launching new products every day, please follow our store and pay more attention, you will get the information of our latest products as soon as possible. Clicking on the seller information to enter our what you needs, after placing an order, we will deliver the goods for you at the frist time. Thank you and have a nice day!Description:?Function?Duct Reducer Tool can be used to connect two different size duct to creating a seamless ventilation ?Size Information?Air Duct Adapter for connecting 100mm to 75mm (4inch to 3inch) duct system, height 80mm/3.15 inch?Material?Ducting Tube Increaser Adapter is made of material, lightweight and ?Easy to Install? the two ends of with of appropriate size?Occasion?Duct Reducer Increaser Connector suitable for bathroom, kitchens, apartment, home, office, hotel systemPackage Includes:1 Air Duct Adapter(3 Pack)Note:Please allow slightly errors due to manual measurement and different monitors.Ducting Connector;Duct Reducer Ventilation Tube;Ducting Connector for Vent System Bathroom;Duct Adapter Inline Ventilation ;Pipe Fitting Ventilation Parts;Air Ducting Reducer Increaser HAVC Pipe Connector