【Good sealing】 : Portable Air Conditioner Window Kit keeps your room cool for longer and saves electricity charges. It effectively diffuses the hot air out of the window, preventing warm air from circulating in your room meanwhile. 【Durable Materials】 : This Air Conditioner Window Kit is made of high-quality PVC, which anti-extrusion, anti-aging, and can be used year after year. Simple and stable fixing method for installing and disassembling easily, suit for use in home or office. 【Universal】 : This Air Conditioner Window Kit includes 4 plates, 1 coupler, 5.12 in diameter hose(1.5m), sealing tape, and screw accessories.It is suitable for most vertical and horizontal sliding windows. You can make any combination according to the size of the window: use a 2-board combination, a 3-board combination or a 4-board combination. 【Sliding Track】 : This Air Conditioner Window Kit has a humanized rail design, which is easy to slide the seal plates, and fast lock. No tools are required, length adjustment can be completed in 5 seconds. Adjustable length range: 16.93 in-60 in. 【Package Include】 : 2×43cm/16.93'' Fixing Plate,2×43cm/16.93'' Adjustable Plate,1×Exhaust Hose(130mm/5.12'',1.5m),1×Exhaust Hose Adaptor(5.12''-5.9 ''),1×Sealing Tape, 6×Screws.Please Check Your Window Size Before Buying.