Home » 1/2″ x 1/2″ Blue Air Hose 1/2″ x 1/2″ Blue Air Hose Specifications Blue air hose 300 PSI working pressure 1200 PSI bursting pressure 1/2" inside diameter, 1/2" fittings Lengths: 25', 50', & 100' Description 25' x 1/2" x 1/2" 50' x 1/2" x 1/2" 100' x 1/2" x 1/2" Item Number 252B12 502B12 1001B12