Easy to install, convenient to use. Fits portable air conditioner 6.29inch exhaust pipe Environment friendly polypropylene with good flexible, durable and portable. Easy to attach to existing hose: gently extend out the exhaust hose to meet up with the existing hose, line up with the both ends, snap into place. Diameter: 6.3inch/ 16cm Extendable length: 64.9inch/165cm Shortened length: 15.5inch/39.5cm Fit model: using 6.3inch diameter hose Colour:White Material:polypropylene Package Contents: 1X Air Conditioner Exhaust Hose 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.