Materian DurableThe Adjustable Window Kit Plate is made of durable PVC, lightweight and durable, easy to install and remove. It is a great kit to work with the air conditioner. Adjustable LengthThe Air Conditioner Window Slide Kit is composed of 4 plates. It can be stretched and adjusted in length, from 43cm to 140cm to meet the needs of different window heights. Universal DesignSuitable for all portable air conditioners equipped with 13cm/5 and 15 exhaust pipes cm/5.9 in diameter. The Portable Window Plate can be installed vertically and horizontally on all sliding windows which can be used in combination of 2 plates, 3 plates or 4 plates depending on the size of your needs. It is convenient to use in any location. Easy to installNest each plate together and slide it to the desired length to fit your window , then lock the screw to complete the installation. Maintain Coolness and Save EnergyNest the Mobile Air Conditioning Exhaust Sealing Plate into the window rail and tighten it to achieve good effect sealing, which can keep your room cool in the hot summer, work and rest in a comfortable and relaxing way. Name: 4-piece baffle with tensioner and flat mouth Color white Fabric: PVC Purpose: Window adapter for mobile air conditioner Outer hole plate: 43*10cm Inner board size: 43 cm x 15.5 cm. Package weight 1.25 kg Adjustment range 43 ~ 140 mm (4 pieces ) Product features: simple installation, easy to use, replace mobile air conditioning panel accessories. Package includes 4 * 16 plate .9 inch 1 * Window Adapter 1 * Sealing Tape 4 * Screw Set becomeveryrich