SMP offers flowmeters available for both Oxygen and Medical Air, making SMP the ideal choice for any health care facility. Our flowmeters are accurate, reliable and durable with an easy to use design consisting of fewer parts offering less maintenance. The flow tubes are made from crack-resistant polycarbonate housings and calibrated at 50 psig inlet pressure, combined with a steady machined base. All SMP flowmeters are designed for quick connection and compatibility with most standard outlets. They come with a standard 1/8 FNPT connection, but can also be fitted with various adapters and accessories to meet facility requirements. Features High-quality stainless steel ball float provides unparalleled accuracy Compact in size and weight Crack- resistant polycarbonate housing Light-weight Aluminum Body Expanded accurate scale Durable stainless steel shut- off valve Leak- free flow control O-Ring Back-pressure compensated 100% tested to ensure accuracy Available in US and ISO colour coding