Open Box Hollis LG Pony Bottle Gauge - PSI Scuba Gear Bags High grade steel needle with

High grade steel needle with jewel bearing Balanced for northern hemisphere Highly durable matchbox style mirror sighting compass Adjustable declination correction scale Luminescent markings for working in low light Clinometer Compass accuracy: 3 degrees Compass resolution: 2 degrees

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

and black non-reflective stainless steel frame

Open Box Hollis LG Pony Bottle Gauge - PSI Scuba Gear Bags High grade steel needle withPlease 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.