Features:1. Universal unit: Window vent kit fits most portable ac units with exhaust hose(5inch/ 5.9 inch diameter optional). Great for most slide window, vertical or horizental and silde doors with adjustable height design.2. Strengthen sealing: This window kit keeps your room cool for longer and save electricity charges. It effectively diffuse the hot air out of the window, preventing warm air circulating in your room meanwhile.3. Reusable: This Window seal kit is made of high-quality PVC, which anti-extrusion, anti-aging, and can be used year after year. Removed and stored space-saving when not in use.4. Easy to install: Easy screw the hose to holes in seal plate, adjust seal plates for desired length to fit your window, apply sealing foam tape to window.Easy to store, and save space for your home.5. Package include: 4 pieces window sealing plates, 1 piece exhaust hose adaptor(5inch/ 5.9 inch diameter optional) and screw accessaries, sealing tapes. Please check your window size before buying.Notice:1.Actual color may be slightly different from the image due to different monitor and light effect2.Please allow 1-3cm deviation due to manual measurementMaterial: ABS, PVCSize: as shownAdjustable length: 43~140cm (16.93"~55.1")Features: good sealing, durable, adjustable, easy to installApplicable models:Type A is suitable for all portable air conditioners with an outlet diameter of 13cm/5".Type B is suitable for all portable air conditioners with an outlet diameter of 15cm/5.9". Simple installation steps:1. Install the screw and nut accessories on the outer panel for assembly, insert the oval metal sheet into the track, and tighten the nut.2. Install one end of the exhaust hose on the connector of the portable air conditioner.3.Paste the sealing foam tape on the joint between the window and the sealing plate.4. Install the other end of the exhaust hose on the joint where the plate and the part are connected, and install the joint on the plate.5. Fix the board kit on the window to use. Notes:1. Please check the height of your window or sliding door before buying.2. Please check the diameter of the hose before buying.3. As manual measurement is different, please allow slight size differences. includes:4 x Window sliding kit plate1 x exhaust hose adapter (5inch/5.9inch optional)1 x sealing tape4 x screws "