High Compatibility and Upgraded Design]The portable air conditioner window kit is a true universal coupler. Fits all 5.1 inch and 5.9 inch diameter air conditioner hoses. [Strong Sealing]Compared with old-fashioned portable AC window kits that require tape sealing, we have improved the space problem on both sides to that this air conditioning window sealing kit seamlessly matches the window track to achieve a good sealing effect , keep your room cool all the time. [ and Material]The car window vent kit is made of PVC, which is anti-squeeze and anti-aging and can be used year after year. [Suitable for Sliding ]The portable air conditioner window vent kit is compatible with vertical and horizontal sliding ranging in size from 17 to 46 inches. [Easy to Install]The portable AC window vent kit adopts a novel slide rail design, easy to slide the sealing plate, no additional tools required, easy to install and remove. Colour:White Material:Plastic Package Contents: 1 set x AC Window Ventilation Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.