Innovative Design: window seal plates kit be installed on all types of sliding both vertically and horizontally, universal model Good Sealing: The snap design between portable ac window kit and window tube connector will not cause air leakage. Thread Design: Window Tube Connector threaded design, which is easy to install and disassemble, can be tightly connected with hoses - suitable for all with 5.9 inch diameter hoses. color: gray material: plastic Prevents entry of hot air thereby increasing the efficiency of the air conditioner; Effectively prevent small animals from entering your home. Product Details: Product Name:window seal vent kit Suitable for 15cm /5.9 inch air conditioning hose Adjustment length: 55~110cm (21.65 inch~43.3 inch) Recommended length: 55~105cm (21.65 inch~41.3 inch) Package Contents: 1 x 55cm/21.65in Fixing Plate, 1 x 55cm/21.65in Adjustable Plate, 1 x Exhaust Hose Adaptor(15cm/5.9 inch), 1 x Screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.