Hollis - 2" Brass SPG - PSI or BAR BAR or PSI:BAR or with a rebreather by

or with a rebreather by simply swapping out the wing along with some additional mounting accessories

Easier to handle / longer lasting than wing nuts

while the (1

One set contains two suit rings

Hollis - 2" Brass SPG - PSI or BAR BAR or PSI:BAR or with a rebreather byThe 2 inch Brass SPG is for the beginner or the most advanced technical divers. The Hollis 2 inch Brass SPG Comes with a Luminescent face plate with an operating range of 0 to 5000 PSI or even an option for 0 to 360 BAR. The Hollis 2 inch Brass SPG has a chrome plated brass housing and uses a bourdon tube for calibration and accuracy. Equipped with scratch resistant glass. The Hollis 2 inch Brass SPG is oxygen cleaned for use of pure Oxygen or