The Infu-Surg is designed for single patient use potentially preventing and controlling cross-contamination and hospital acquired infections. Designed for single patient use Integral hook makes it easy to hang. Safety valve prevents over-inflatio(330 mmHg pressure relief) Translucent front panel for proper label observation Latex free Maintains desired infusion pressure Color-coded gauge (0-300 mmHg) 3-way stopcock Hook version for single hand operation 100% tested Pressure relief valve protects bag from over-inflation Suitable for use with external inflation sources Loads quickly and easily Large, oval shaped bulb allows for quick and easy inflation of bladder No cleaning or repair time needed available in 3 sizes _ 500 ml, 1000 ml, 3000 ml