This product is made of quality material, featuring hight flexibility. Not easy to crack even after long time use. Extend the exhaust hose out until it meets both ends, snap the hose into place, and screw it on.Easy to install. Just extend out the exhaust hose to meet up with the existing hose, line up with the both ends, snap into place. Feature - Color: White. - Material: PPR. - Size: 200 x 13 x 13cm. - Made of material for durable use. - Easy to install. Just extend out the exhaust hose to meet up with the existing hose, line up with the both ends, snap into place. - Constructed from quality material with good flexible, practical and portable. - Not easy to crack even after long time use. - Low friction loss, if installed correctly, there will be no air leakage. - Warm Tip: Dear buyer, Due to lighting effect,monitor& 39;s brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand Thank you