Open Box Hollis LG Pony Bottle Gauge - PSI Scuba Gear Bags Optional lenses available: Optical lenses

Optional lenses available: Optical lenses (6x positive +1

The Venom Frameless mask skirt and face seal is uniquely designed to incorporate two different silicone materials

Lumbar Seamless Design (LSD) and re-engineered covert Blackout zipper

which is at the same time extremely light

Open Box Hollis LG Pony Bottle Gauge - PSI Scuba Gear Bags Optional lenses available: Optical lensesPlease note this is an OPEN BOX offer. The item will be in new condition, but may not have original packaging. PRODUCT DESCRIPTION The 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.