The Bendix PP-3™ Auto Tripper Push / Pull Valve is the perfect choice for any commercial vehicle. This valve operates in conjunction with the TP-3 tractor protection valve to supply air under pressure to the trailer. It is built to withstand harsh operating conditions being made of premium-quality materials for superior durability and performance. It is a highly reliable push-pull operated control valve at a competitive price. It is designed to provide a reliable and efficient way to control the air pressure in your trailer, ensuring that your trailer is continuously operating at the optimal pressure. FleetPride is your First Click in Heavy Duty®.