The Hisense PKIT-26HP is a replacement or accessory window exhaust kit designed for compatible Hisense portable air conditioner units. The kit measures approximately 20.1" and is used to vent hot air out through a window during operation. Condition is like new in original box with no damage noted. Ideal for anyone with a compatible Hisense portable AC needing a replacement window kit. Please verify compatibility with your specific Hisense portable AC model before purchasing.