Mares mv 12s scuba regulator has apact regulator pairing the legendary 12s 1st stage with the classic performance of the mv 2nd stage. This regulator incorporates mares legendary patented vortex assisted design (vad) and dynamic flow control (dfc) for a high performing and reliable regulator. Sleek low profile design. Balanced mr12s 1st stage - updated version of the proven reliable mr12. Patented dfc - high performance 1st stage. Patented vad - high performance 2nd stage. Side exhaust design ‰ûò- reduces bubbles in the face. Superflexes standard. Lightweight 4 lp ports ‰ûò 2 hp ports. Brushed finish 1st stage. Elliptical design makes for an easy exchange when air sharing. Great for travel and underwater photography. Styleåê416167