Sonil Ventilfabrik offers Tractor Rear Tube Valve. Sonil Ventilfabrik supplies various types of Bicycle as well as Automotive Tyre - Tube Valves and Accessories for Tyre, Tube and Retreading industries. The Tractor Rear Tube Valve is applied as an automotive tube valve used in rear of tractor for Air and Liquid applications. The Tractor Rear Tube Valve is available in a set of five parts with a rubber base made up of natural or butyl rubber.