Nautilus Button Gauge Reels Spools & Line With its flexible rubber

With its flexible rubber

Engineered for a secure and reliable fit

The clear pressure scale provides an easy-to-read indication of available gas

Taking a proper look at the anatomy and structure of the human back

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Nautilus Button Gauge Reels Spools & Line With its flexible rubberNautilus Button Gauge The Nautilus 23mm Button Gauge is a compact, UK made scuba diving pressure gauge designed to screw directly into the high pressure port of your first stage regulator. Eliminating the need for a traditional SPG hose, this streamlined gauge is ideal for divers looking for a simple and lightweight pressure monitoring solution. Perfect as a pony bottle gauge, backup SPG, or for quick tank pressure checks, the Nautilus Button Gauge is