R-5 First stage features:
• Tried and trusted balanced diaphragm design, giving exceptional performance even under the harshest conditions.
• The intermediate pressure drop is kept to a minimum even with heavy flow demand. 

• 2 fixed high pressure ports and 4 low pressure ports on swivel turret for better hose configuration
• Available in 232BAR yoke or 300BAR DIN connector.

First stage All Consition kit
• All Condition environmental seal (on R-510/N) protects the first stage main spring from slit, harmful contaminant and especially the extreme cold.
• Air is the medium used in All Condition environmental seal as it is the best insulator; the sensitivity of the regulator, however, is not affected with IST's direct pressure actuation design.

O-10 Second stage features:
• Pneumatically balanced delivery system means significantly reduced breathing resistance comparing to conventional design
• Dynamic diver adjustable flow button (on R-510 / R-510/N models) allows for quick tuning according to breathing demand
• The vane near mouthpiece can help directing air flow towards the diver for effortless breathing or to be tuned into a gas conserving position
• Exhaust cover with curvature directing bubbles away from field of vision
• Light purging action
• Equipped with NEW energy-saving hypoallergenic silicone mouthpiece with long tabs spreading the biting force more evenly!