Single-Lumen Pneumatic Lightweight Conserver

This lightweight EconO2mizer II conserver is remarkably quiet with no hissing during pulse delivery. Color-coded selector knob (green for conserve, white for continuous) makes it easier to identify what setting is selected, which can help oxygen tanks last longer. This device, with 3 continuous settings, has 6 conserving flow settings including a new setting of 2.5. Weight is only 13 oz. Conserving ratio: 5.7:1.