On its First Stage, you will find a 4 low pressure ports that are excellently connected to the second stage’s instruments and connector to provide a convenient dive. A durable internal conical filter offers 2x of greater filtering than the usual flat filter models. The maximum airflow is at 2100 liters/minute – faster due to the newly improved wide hoses.
At its second stage, the flow control valve within the XS2 second stage exploits the functional venture effect produced by the I.B.I. system fully. What this means is inhalation effort is stored low even just in probably the most challenging conditions. Granted a CE mark for passing the rigorous UNI EN 250 in water temps as little as 4degC.