For anti-spill coolant refilling and air bleeding

Includes 4 extension pipes for confined space or tricky angles

Transparent lower chamber displays the amount of air bubbles remaining in the radiator

Includes adaptors with nylon covers to reduce heat transfer resulted from air bleeding

Special design of connector to adaptors provides anti-spill feature

Funnel capacity: 1,600 ml / 54.1 Oz. suitable for passenger cars, trucks and heavy duty vehicles.