HIGHEST QUALITY: Manufactured from sturdy, yet flexible polypropylene. Very durable, environmentally friendly and non-toxic. UNIVERSAL COMPATIBILITY: The hose diameter is 5.12 inch / 13 cm (outer outer edge) with a counterclockwise thread. A perfect replacement for your old or damaged portable AC vent hose. Fits most portable air conditioner models using a 5 inch diameter hose connector - no duct tape neccessary. QUICK & EASY INSTALL: The hose can extend from 12.6 up to 59 inches (32 to 150 cm). Simply select your perfect length, insert into the connector plug and rotate anti-clockwise to complete the installation. Colour:White Material:plastic Size:13cm*1.5M Package Contents: 1*air hose ATTENTION: make and double check if your portable AC model is compatible with the aforementioned size and installation direction. 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.