General description Professional 15M (50ft) air line rubber hose designed for use with air compressors. This durable air hose is equipped with 1/4 inch BSP brass connectors, making it suitable for a variety of pneumatic applications. Technical specifications Length: 50ft (15M) Diameter: 1/4 inch Working Pressure: 300 psi Burst Pressure: 900 psi Connector Type: 1/4 inch BSP brass fittings