Michelin - AirStop I4 Inner Tube
TypeI4 identifies the inner tubes for 16" tires with a width up to 47 mm.
There are three types of valves:
Presta valve: also known as Sclaverand or French valve
Dunlop valve: Woods, Bicycle, English or Dutch valve
Schrader valve: standard or automotive valve
Symbolic picture: The picture shows the AirStop C4.