OD is outside diameter of the tube.

ID is inside diameter of the tube, not the Length.

The thickness of tube = ( OD - ID ) / 2

Specification:

Meets Food Sanitation Act 

Heat-resistance 

Easy disposal 

low odor and oil-resistance 

Flexibility

Uses:

Food tube products; 

Food Machinery connecting pipe; 

Liquor connecting conduit; 

Water dispenser, coffee maker, water heaters, rice cookers and other connecting pipes, conduits; 

Electrical equipment, such as the casing; 

Material: Food Grade SILICONE RUBBER

Colour: transparent

Temperature Range: -80°F (-62°C) to 500°F (260°C)

Size :

Length 20 feet 

Outside diameter 6mm 

Inside diameter 4mm

Package Include: 1 x Silicone Hose Pipe Tube