The perfect no frills octopus for any recreational dive! Small compact design with a flexible hose. Rugged and economical, this octopus is a great choice for a new diver’s rig or can take the high-use demands of a rental department. It can also be used with either air or nitrox up to 40% right out-of-the-box. The sturdy ABS/polycarbonate 2nd stage with soft push silicone purge cover and soft bite mouthpiece weighs just 147g (5.2oz). and measures 8.25cm x 6.35cm (3.25” x 2.5”). The small internal case dimensions results in an extremely low in-water breathing effort.