Precision Medical Easy Pulse5+6 Oxygen Conserving Regulator EasyPulse5+6 Oxygen Conserving Regulator is the newest conserver from Precision Medical. The lightweight and compact design has 6 continuous flow settings and pulse flow settings 1-5. The device delivers a tank conserving ratio of up to 5.7 to 1 allowing oxygen users to get more time out of their tanks and greater time way from home. Its large gauge is colored coded so users know when it's time to change tanks.