Brand: Pegasus Silicone Hose
This blue hose is built for endurance and performance in custom vacuum plumbing applications. Heavy-wall (2.5mm thick) silicone rubber construction makes this hose tough, reliable, and flexible to temperatures from -60°C to +180°C (-76°F to +356°F). 3mm ID, 8mm (5/16") OD. Sold by the running foot.
Note: This hose is not formulated for use in oil or fuel plumbing applications. It will survive occasional spills and oil leaks, but it will not stand up to continuous exposure to petroleum.