HIGHEST QUALITY: Manufactured from sturdy, yet flexible polypropylene. Very , environmentally friendly and non-. UNIVERSAL COMPATIBILITY: The hose diameter is 5.12 inch / 13 cm (outer outer edge) with a counterclockwise thread. A replacement for your old or portable AC vent hose. Fits most popular portable air conditioner models using a 5 inch diameter hose connector - no duct tape neccessary. QUICK & EASY INSTALL: The hose can extend easily from 12.6 up to 59 inches (32 to 150 cm). Simply select your 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: Please make sure 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 reflection 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.