Here is the new Hosevac vacuum hose by Aeroform Composites.
HoseVac has been designed for composites industry professionals who seek to control the vacuum leak for autoclave. It is certified no leak, a hose for high temperature and high pressure.
This hose consists of a convulated stainless steel, with an outer braid, stainless steel wire with an additional Silicone Layer around it to protect vacuum bag.