Important note: the length is the stretched length. not the length that the pipe is packaged. Package include :1 x Air Heater Duct PipeSpecification :Material : AluminumColor : BlackDiameter :42mm 60mm 75mmLength : 300cm (extendable Length)42mm-300cm: Before stretching length : 150cm After stretching length : 300cm60mm-300cm: Before stretching length : 140cm After stretching length : 300cm75mm-300cm: Before stretching length : 140cm After stretching length : 300cm PleaseImportant note:In order to facilitate transportation, the product will be properly compreed, the size will be different after receiving the product, please be sure to stretch to the required length.The length of the pipe is the stretched length, not the length that the pipe is packaged. Please stretch it lightly and fully to get the length that you need. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin