The Apsco Air Brake Toggle Control Valve is made of durable materials and meets or exceeds vehicle manufacturer requirements. All components undergo stringent quality control checks and testing to ensure the highest level of performance and reliability. The valve is manufactured, assembled, and packaged in-house at ISO-certified facilities, ensuring the highest quality product. With its superior construction and reliable performance, the control valve is a premium quality valve designed for heavy duty air brake systems. FleetPride is your First Click in Heavy Duty®.