102CM (40") Portable AC Window Vent Kit, Universal Casement Window Vent Seal Kit for Mobile Air Conditioner and Dryer, Full Sealing Waterproof AC Window Seal Kit with Coupler

["Enhance Cooling Performance: This AC Window Seal Kit can tightly locks the vent hose of your portable air conditioner between the window and window frame, effectively expelling the hot air out of the window, firmly lock the indoor cool air while prevent outdoor hot air flowing back, also keep out rain, mosquitoes, bugs etc.","Wide Compatibility: The window vent seal kit fits windows with a maximum perimeter of 102cm/40in (please measure the perimeter of your opening window to ensure a proper fit ). Works great on horizontal/vertical windows that crank outward or inward opening. Suitable for all portable air conditioners, dryers and dehumidifiers etc. Featured with 4 zipper heads, supports single and dual-vent hose."]