Craft beer brewing kit sintered 316 stainless steel 2 micron micro bubble air oxygenation stone

HENGKO POROUS SPARGER is ROSH and FDA certificate of safety and environmental protection and can be used in food applications of sintered stainless steel air aerations stone products; Used in the hydrogen-rich machine, greatly improve the dissolution rate of hydrogen, from 0.3ppm or slightly larger 0.5 PPM to 1.5 PPM above the concentration of hydrogen content, easier to health!