Hollis Pony Bottle Gauge depth gauge The Pony Bottle Gauge is

The Pony Bottle Gauge is available in PSI or BARS of pressure

Yellow Color Coded Caution Zone from 50 to 100 bars for Deeper Dive Reserve

When you don't need the snorkel

Deluxe padded travel bag

Clear Silicone Skirt: Provides Brightness

Hollis Pony Bottle Gauge depth gauge The Pony Bottle Gauge isThis products Overview The Pony Bottle Gauge is a tiny gauge that easily connects to the 7 16" high pressure port of your pony bottle regulator or other alternate tank regulator 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