Home / Products tagged “Tube KDO” Tube KDO KWIK DRAW, Oxygen, 3-24 Vol%, 10 per box, 24-month shelf life $147.00 Ships from Manufacturer, shipping times can vary KWIK DRAW, Ozone 0.05-5 ppm, 10 per box, 24-month shelf life $85.00 Ships from Manufacturer, shipping times can vary