THR-BH620 bed head Unit oxygen bottle Function is introduced 1 quality flow tube, flow accurately 2. Safe and reliable, flow tube top use explosion-proof design 3.Copper plated matrix 4 electroplating copper matrix stepless adjustment, easy to adjust the required flow 5, relief valve, a pressure relief buzzer function 6, with a filter element, avoid impurities inside 7, humidification, humidity suction comfortable smoothly 8. Removable immersion disinfection 9 reuse (high temperature disinfection) 10. Can choose a variety of standard connectors