Hollis LG Pony Bottle Gauge - PSI Scuba Mesh Bags Available in four service pressures

Available in four service pressures

Double O-ring seals ensure watertight integrity

16 millimeters

Velcro strap secures lens filters in place

Compatibility

Hollis LG Pony Bottle Gauge - PSI Scuba Mesh Bags Available in four service pressuresThe Hollis 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 problem