Ensure the baitfish in your livewell remain stress-free, alive and well with Keep Alives Ceramic Oxygen Diffuser. The rugged 3 ceramic plate generates a cloud of fine oxygen bubbles that treat 1/8 liter of water each minute. One of the most efficient diffusers on the market, it uses less gas, requires fewer diffusers, is easy to install and simple to operate. Three suction cups hold the unit in place. Requires no power or complex attachment procedures. Manufacturers two-year warranty. 5 dia. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Diffusers.