Oceanic Pony Bottle Pressure Gauge for Scuba Diving Regulators by Oceanic Hoses are a handy tool for

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Oceanic Pony Bottle Pressure Gauge for Scuba Diving Regulators by Oceanic Hoses are a handy tool forDetails: The Pony Bottle Gauge is a tiny gauge that easily connects to the 1st Stage high pressure port of any pony bottle or other alternate tank to show pressure in an easy to read display. Any diver who has used a pony bottle knows the hassle involved with trying to find out how much air is in the tank. Switching regulators to view the primary pressure gauge or adding a separate pressure gauge to the pony bottle is a problem solution. Now with the