Octopus XS uses the same casing as the XS2/AC2 model made from special hitech polymers, the only difference being the yellow front cover.The hose is also yellow and is longer (100 cm against the standard 76 cm).All the parts of XS2 , most of which are patented, can be found on this regulatorThe body is traditionally sized, made from hitech polymers and with a lateral valve downstream system with adjustable orifice, simple and extremely reliable.A flow of pilot air is channelled to the mouthpiece by injection, enhancing the performance. The stage comes with a a flow deviator that acts on the Venturi effect, with dive/predive function.In any case, performance levels are high, and it is suitable for any kind of dive. Technical Features Average inhale effort () 10 mbar Average exhale effort () 13 mbar Average breathing work () 1.4 J/l Air supply 1050 l/m Weight without hose 200 g()values measured in compliance with UNI EN 250 standards.