water bottle for oxygen concentrator

... used in hospital 1. CE approved 2. High purity 93% 3. Pulley design, easy to move 4. PSA technology,safe and health Function Oxygen generation, nebulization Oxygen Concentration 93%±3% Oxygen Pressure 40~60KPa Sound Level Below

...Water Analysis Instrument Biochemical Oxygen Demand With Bottle High Accuracy Brief introduction of BOD Biochemical oxygen demand (Biode oxygen demand, abbreviated as BOD), is the aerobic microorganisms in the water at a certain temperature will be decomposed into organic matter in water, this specific period of time in the oxidation process required dissolved oxygen. Features of NANBEI BOD: 1. Concentration...