99.99% High Purity: If you have long-term smoking and drinking habits, irregular sleep patterns, frequent exercise, or discomfort from the common ailments of aging (such as high blood pressure, high cholesterol, and high blood sugar), you can try our hydrogen inhalation machine, which produces hydrogen with a purity of up to 99.99%. It uses electrolysis to convert TDS 5 (purified water/distilled water) directly into high-concentration gases (hydrogen and oxygen) HO-Mixed Inhaler: The hydrogen gas inhaler features dual-port and offers three modes of output: H2/O2/H2+O2. It can support 1-2 people at the same time, bringing multiple benefits to your lifestyle Easy Operation: The hydrogen inhaler features a timer function with settings for 30min, 60min, and 90min. The default is 30 minutes when powered on, and the time can be adjusted by pressing the power button