Option1: Description: Flexible design: It is widely used by 98% of the air conditioners on the market and is suitable for all portable air conditioners. Innovative shape: PVC clip rail can be installed with various sliding windows, so it can be changed. Flexible use: easy to install 6 inches wide telescopic sealing rail, the sealing size of the rail can be adjusted between 19.7 inches and 60 inches. Quality Assurance: Made of durable PVC light weight material, easy to install and disassemble, and save space when not in use. Energy saving and reliability: The windows of the mobile air conditioning system are sealed with exhaust hoses to prevent hot air from entering, thereby improving the efficiency of the equipment. Specification: Name: Air conditioner exhaust pipe fittings Material: PVC material How to install: 1. Connect the exhaust pipe and the deflector gasket 2. Put the prepared screws into the holes of the hard deflector 3. Adjust the deflector to the required length 4. Fix the deflector on the window, fix the deflector, and then connect the deflector gasket and the exhaust pipe on the deflector. Size Chart: 50cmx16.3cm 50cmx16.3cm 50cmx15.8cm Package Includes: One Set (as shown on the photo) Option2: (StyleA-StyleD) Description: Good sealing: The sealing plate of the air conditioner has a good sealing effect, which can effectively prevent the outside air from entering, and can be retracted freely, suitable for home or office. Size: The same interface is suitable for hoses of different specifications, 13cm/5.12inch and 15cm/5.91inch are optional. It includes four baffles with a width of 10cm/3.94inch, and an optional version with 1.5m/59.06inch long exhaust duct, which is suitable for most portable air conditioners. Material: MaterialMade of PVC , good toughness, long storage time, can be easily disassembled when not in use, saving storage space. Easy to Install: Suitable for sliding windows, adjust the length of plate, insert the sealing plate into the window rail and window sealing strip. Perfect GiftIt is a great gift for family members, colleagues, or friends who need a sealed portable air conditioner. Specification: Material:PVC Size Chart: Style A: 4 Boards 1 Connector (15cm) Mounting Screws Style B: 4 Boards 1 Connector (13cm) Mounting Screws Style C: 4 Boards 1 Connector (15cm) 1 Exhaust Pipe Mounting Screws Style D: 4 Boards 1 Connector (13cm) 1 Exhaust Pipe Mounting Screws Package Includes: 1 Portable Air Conditioner Window Set Note: Please allow slightly errors due to manual measurement and different monitors.