Portable ac window vent kit with Adjustable Seal plates and Exhaust Hose suitable for the size of 5.9". With portable air conditioners and the AC window seal kit, the heat from indoors could be released outside, and can keep your room cool at all times and save electricity bills, without air- conditioning leakage. Package Includes: Seal plates (adjustable length:17” to 63”) 45.9” Exhaust Hose(adjustable length:15” to 80”) 1Screws 5coupler 1coupler filter 1sealing tape 1instruction 1 Note: Please check and ensure your air conditioner is suitable for the exhaust hose size of 5.9" before order. Product Features: Easy-to-install window vent kitUniversal compatibility with most portable air conditionersMaximized air circulation for improved cooling efficiencyDurable construction for long-lasting useAdjustable length for a custom fitSuitable for most vertical and horizontal sliding windows. Be satisfied with the needs of different window heights.Suitable for use in bedrooms, kitchens, living rooms, game rooms, etc., providing you with a cool and conducive to power saving options