100mm Dia. 195mm high.

Screw-on lid with a 14mm hole. 

Racing rules require an overflow bottle or catch tank for catching oil, coolant etc. that expands or leaks from the engine or radiator - preventing dangerous spills on the track.

Required tank capacity is often specified as 10% of coolant volume or 1Litre. 

Weight 96g.

1 Ltr. NYLON OVERFLOW BOTTLE #OFBOT