Hollis Large Pony Bottle Gauge professional Lightweight low-profile plastic dry zipper

Lightweight low-profile plastic dry zipper with protective zipper flap

Patented dry compartment built in

CNC machined from solid bar material

Elastek 4-way stretch neoprene

It takes a little getting used to –after all

Hollis Large Pony Bottle Gauge professional Lightweight low-profile plastic dry zipperThe Hollis Pony Bottle Gauge is a tiny gauge that easily connects to the 7 16" (1. 1 cm) 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 gaugeto the pony bottle is a