1、UNIVERSAL AND VERSATILE: Unlike other products, this sliding door ventilation kit come with a universal adapter for all air conditioner exhaust hoses with a diameter of 130mm (5.1in) or 150mm. Compatible with most brands of mobile air conditioner hoses 2、SEAMLESS DESIGN: Sliding panels fit your door easily and perfectly to achieve good sealing performance, not only keep your room always cool and air conditioned, but also prevent hot air from entering, saving air conditioning power 3、DURABLE MATERIAL: The door ventilation kit is made of durable PVC material, possess high density and heat resistance, which will not deform after years of use. You get more than just an air conditioning ventilation kit, but multiple cool summers 4、HIGH COMPATIBILITY: Suitable for most sliding doors. 2 boards, 3 boards, 4 boards can be assembled freely, with a sliding door for easy use anywhere 5、HOME OFFICE USE: Easy to install and dismantle, suitable for use in home or office, can be used for most air conditioning frequency bands Item Type: Portable Air Conditioner Window Kit Material: PVC, ABS Adjustable Sealing Plate Height: Approx. 43 ~ 140cm / 16.9 ~ 55.1in 4 x Window Baffle 1 x Flat Mouth Universal Interface 4 x Screw Pack (4 screws, 4 washers, 4 nuts) 1 x Fixed Strip