Adapter, Addition Pipe, M12, for 3-15L Bio Reactors. This adapter can be used to add fluids or gases to the bio reactor. The portion of the adapter that is within the reactor has a short drip tip tube that can accept tubing to reach further into the listed capacity reactor.Like-for-like replacement parts for Applikon Biotechnology and Broadley-James brands of bioreactors.Applikon is a registered trademark of Applikon Biotechnology, Inc. Broadley-James and Broadley-James Corporation are registered trademarks of Broadley-James Corporation.