For those that use Nitrox for decompression this pony sack clearly identifies the pony cylinder as containing Nitrox. Specification Made from 9oz nylon, the sack is designed to fit a 3 litre steel or 3 litre Luxfer aluminium pony cylinder with adjustable strap connections for fitting to the main bottle. A stainless steel D-ring on the back of the sack provides an additional securing point to the jacket if required. Open mesh bottom, with a pull cord at the neck. Colour coded to suit Nitrox coding with Nitrox printed on outside of sack.

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Steel                   5 days Luxfer                  5 days