MK2 Evo/R105 Dive Regulator System
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.
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.
- MK2 EVO classic downstream piston design features a chrome-plated brass body with 1 high pressure & 4 low pressure ports.
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Patented XTIS Extended Thermal Insulating System fully isolates the mechanical elements from the cold increasing freezing resistance without compromising breathing performance
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Oversized piston provides better breathing performance by increasing airflow.
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R105 classic downstream valve design for dependable breathing performance
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Compact casing includes a durable, anti-scratch front cover and reliable metal barrel inside
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Hi-Flow mouthpiece improves airflow as well as mouth comfort, fitting all mouth sizes
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Dive / pre-dive VIVA switch helps control free flows
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Soft, co-molded purge button for easy purging
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Reversible hose attachment makes it easy to use for side mount, pony or deco tanks.
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CE Certified adheres to the latest EN250A European Standards for all diving conditions, including extreme cold water.
![MK2 Evo/R105 Dive Regulator System MK2 Evo/R105 Dive Regulator System](https://johnsonoutdoors.widen.net/content/x6xxhkgyqe/webp/SP_12105000_MK2-Evo_R105_INT_01.webp?w=480)
Adjustable Second Stage | No |
2nd Stage Design | Unbalanced |
Weight |
1.786 lb
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1st Stage Type | Piston |
2nd Stage Series | R Series |
Water Temp | Warm, Cold, Temperate |
Connector Type | INT |
Nitrox Mix | Up to 40% |
HP Ports | 1 |
LP Ports | 4 |
1st Stage Material | Chrome-Plated Brass |
2nd Stage Material | Reinforced Technopolymer Casing, Metal Components |
2nd Stage Valve Housing Material | Metal |
![MK2 EVO INT](https://johnsonoutdoors.widen.net/content/mm2f0diofd/webp/SP_10063000_MK2EvoInt_WITB.webp?w=100)
![R105](https://johnsonoutdoors.widen.net/content/5iin2rc5ll/webp/SP_11332000_R105-a-WITB.webp?w=100)
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WHY YOU'LL LOVE IT
![A Real Workhorse Close up of the MK11 EVO/R105 Regulator](/sites/default/files/2025-01/SP_C022_MK11_MK2_EVO_500x500_Img1.jpg)
A Real Workhorse
Simple classic downstream design delivers dependable airflow and requires little maintenance.
![Quick Air Delivery Woman diver underwater in Grand Cayman wearing SCUBAPRO gear](/sites/default/files/2025-01/SP_C022_MK11_MK2_EVO_500x500_Img2.jpg)
Simply Reliable
First stage downstream piston configuration offers the simplest design with freezing resistance and increased airflow from an oversized piston.
![Built to Last SCUBAPRO R105 Dive Regulator](/sites/default/files/2025-01/SP_C022_MK11_MK2_EVO_500x500_Img3.jpg)
Built to Last
Robust construction featuring a reliable metal barrel inside and a durable compact second stage case with anti-scratch front cover.
![Our Quality Promise Underwater diver looking at a manta ray](/sites/default/files/2025-01/SP_C022_MK2_EVO_500x500_Img4.jpg)
Our Quality Promise
All SCUBAPRO regulators are backed by a limited lifetime warranty.