Check the listing for details. ScubaPro MK2 Evo R105 Dive Regulator System. Condition: New. Listed at 526.00 USD. ScubaPro MK2 Evo R105 Dive Regulator System PRODUCT DESCRIPTION The MK2 EVO/R105 is the regulator system of choice for rental, diving schools or for divers seeking a basic backup breathing system. It offers smooth dependable air delivery and is built to last. The R105 is teamed with SCUBAPRO’s classic MK2 EVO, the only downstream piston-style first stage with internal components specifically designed to resist freezing in extreme cold-water conditions. FEATURES: MK2 EVO classic downstream piston design features a chrome-plated brass body with 1 high pressure & 4 low pressure ports. Patented XTIS Extended Thermal Insulating System fully isolates the mechanical elements from the cold increasing freezing resistance without compromising breathing performance Oversized piston provides better breathing performance by increasing airflow. R105 classic downstream valve design for dependable breathing performance Compact casing includes a durable, anti-scratch front cover and reliable metal barrel inside Hi-Flow mouthpiece improves airflow as well as mouth comfort, fitting all mouth sizes Dive / pre-dive VIVA switch helps control free flows Soft, co-molded purge button for easy purging Reversible hose attachment makes it easy to use for side mount, pony or deco tanks. CE Certified adheres to the latest EN250A European Standards for all diving conditions, including extreme cold water. SPECS: 2nd Stage Design: Unbalanced 1st Stage Type: Piston Water Temp: Warm, Cold, Temperate Connector Type: INT HP Ports: 1 LP Ports: 4 1st Stage Material: Chrome-Plated Brass 2nd Stage Material: Metal Components Weight: 3.073 lb Adjustable 2nd Stage: Yes 2nd Stage Valve Housing Material: Metal We ship Monday-Friday 8:30AM - 5PM of EST While some orders will not be shipped out same or next day, they will be delivered by the estimated delivery date. If you desire the item sooner, please, choose expedited shipping options. Tracking: Our system will automatically update you with the tracking info once the order is shipped. To ensure the safety of your items, orders that are valued over $100 may require signature confirmation. Please, contact us through messaging if you need more information on the product