Features: Air conditioner blow bags are of high-quality HDPE material, which has good flexibility, durability and portability. This air conditioner hose has a high degree of toughness. It is not easy to crack after long time use. With , if it is installed correctly, it will not leak air. Easy to with vents.The flexible air conditioner blowing bag can be bent and folded without being restricted by space. This ventilation duct helps reduce energy consumption and prevents warm air circulation in theroom. The exhaust hose is suitable for various portable air conditioner models. Specifications: Material:HDPE Size:Approx.8m/314inch Size:Approx.10m/393.7inch Size:Approx.12m/472.44inch Size:Approx.16m/629.92inch Package Includes: 1x Air Conditioner Blowing Bag note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.