Quid est materiale of Yellow PVC reticulum pannum telescopic aere duct?

Q:Quid est materiale of Yellow PVC reticulum pannum telescopic aere duct?

A: The ventilation pipe is composed of plastic bone wrapped steel wire as the skeleton, orange plastic mesh cloth as the pipe body, two pipe mouth string can be convenient to cover the air outlet, the pipe inside a metal ring, can be convenient to fix the air pipe.