Features 1、Good Universality: The set comes with a universal adapter, which is suitable for all 150mm or 130mm exhaust hoses and fits most brands of mobile AC hose. 2、Perfect Fit: The sliding plate can easily fit your window or door perfectly and achieve a good sealing, keep your room always cool, prevent hot air from entering, save electricity greatly. 3、Durable PVC and ABS: The door ventilation kit is made of durable PVC and ABS material, which has high density and heat resistance, will not deform after years of use. 4、Easy to Install: The set is easy to install and remove, suitable for home or office use and suitable for most air conditioning frequency bands. 5、Wide Compatibility: The set is suitable for most sliding doors and window, 4 plates can be assembled freely, convenient to use in anywhere. Specification Item Type: Air Conditioner Window Vent Kit Material: PVC, ABS Adjustment Sealing Plate Height: Approx.43-140cm / 16.9-55.1in Hose Size: Diameter: Approx. 130mm / 5.1in Length: Approx. 32cm-1.5m / 12.6-59.1in Package List 4 x Window Plate 1 x Flat Mouth Universal Adapter 1 x Hose 4 x Screw Pack (4 Pcs Screw, 4Pcs Washer, 4 Pcs Nut) 1 x Fixed Tape Strip