The Interspiro cylinder pack has a total volume of 13,4 L with an unlimited service life, ”NLL” — Non-Limited Life. This large size cylinder pack is suitable for missions requiring extended duration time. The cylinder pack consist of two cylinders mounted together with a pipe protected inside the handle and is equipped with one cylinder valve. The design with two cylinders has the following advantages:
The cylinder valve has a pressure gauge, burst disc and safety ratchet to prevent unintentional closing.
The cylinder pack can be equipped with an optional Cylinder Quick Coupling.