Features: * Casement vent kit includes 4 plates, 5.9 diameter couplers and screw fittings. Fits all air conditioner exhaust hoses up to 5.9 inches in diameter. * The humanized slide rail design of the AC exhaust kit makes it easy to slide the sealing plate and fast to lock. The length can be adjusted in 5 seconds without tools. Adjustable length from 17\ to 60\. *Vertical and horizontal use: Suitable for most vertical and horizontal sliding Casement. According to the size of the Casement, a combination of 2 panels, 3 panels or 4 panels can be used. It is very convenient to use anywhere. * Good airtightness: insert the sheet into theCasement rail and clamp it tightly, the sealing effect is good, keep your room cool at all times, prevent the air conditioner from leaking, prevent hot air from entering, and save electricity bills. * Easy to install and remove: The Casement seal kit is made of high-quality PVC and ABS, which is resistant to extrusion and aging, and can be used year after year. The fixing method is simple and stable, and the installation and disassembly are convenient. Easy to store and save space. * Note: The width of the Casement seal is 16cm. Please purchase and measure your Casement to confirm fit. Specification: * Material: ABS, PVC * color: White * Dimensions: as picture shown Package content: 4 x wind deflectors 1 x round connector 4 x screws 1 x transparent adhesive strip Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.