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Review Summary
2024-04-10T20:00:00
I have been using this combo on the new integrated BCD and it just takes so much stress off every dive because I know my equipment will work flawlessly. The second stage delivers easy breathing so I can control slow and even breaths. And it travels so well in a carryon. I highly recommend it.
Winnie1014
2023-01-28T19:00:00
I purchased this January 2019 and have 158 dives here in Kona Hawaii. Perfection every time. Scubapro is the best.
Generacer
2023-01-07T19:00:00
This is my 2nd 1st and 2nd stage I've bought, I dive both recreationally and at work, recovering cars and boats. I've never had a free flow with this system, maintenance is easy, super easy to breath, and works flawlessly in perfect or zero visibility
Mikethetowdad
2021-07-12T08:42:49
Definitely i recommend this regulator works great is perfect for my first i definitely enjoy it.
Gabriel r.
2020-08-14T09:17:01
nice lightweight reg, I got it not only for travel but also for local diving in Monterey. I've tried it with an Air2 and a standard Octo. If you use an Octo, note that the "high flow" LP ports are located one right and one left so assuming you have your primary second stage on the right; you'll either have to connect the Octo to the right side "non-high flow" LP (still works in this port) - or - connect to the "high flow" LP on the left (which is awkward for a standard Octo). The first stage ports are really designed to be optimal with an Air2 (which is on the left).
RODNEY A.
2019-08-09T20:00:00
Bought this MK11 first stage along with the new balanced C370 second stage a few months ago, and it has been wonderful! I've done several deep dives to over 100 FT. And multiple shallow dives under the 60 FT. range and performance has been incredible. It's super lightweight and so compact that you can pretty much fit it anywhere on your carry on bag or small dive bag. Work of breathing is pretty much effortless and i'm very impressed you can get this much quality and performance for the price!
DarioLado25
2018-06-16T14:42:54
I purchased this after some discussion with my technical dive friends who recommended ScubaPro regulators. I found the set up lightweight which is nice for travel. It breathes easily. I still am trying to get used to a side entry hose as I have been using an long underarm hose to the second stage for years. Overall I think its a nice regulator.
RICHARD D.
Balanced Diaphragm
4, Two High Flow
Two Standard 3/8" Threaded
Two 7/16" Threaded
Adjustable Inhalation Effort
Venturi Initiated Vacuum Assist (VIVA) Dive/Pre-Dive Switch
Air-Balancing Valve
First-Stage: Chrome Plated Brass
Second-Stage Valve Housing; Fiberglass-Reinforced Nylon
3/8"
31 oz (881g)
4048336388948


works great for cold and tropical diving. Optimal with an Air2
By RODNEY A.
nice lightweight reg, I got it not only for travel but also for local diving in Monterey. I've tried it with an Air2 and a standard Octo. If you use an Octo, note that the "high flow" LP ports are located one right and one left so assuming you have your primary second stage on the right; you'll either have to connect the Octo to the right side "non-high flow" LP (still works in this port) - or - connect to the "high flow" LP on the left (which is awkward for a standard Octo). The first stag...
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Super reliable
By Mikethetowdad
This is my 2nd 1st and 2nd stage I've bought, I dive both recreationally and at work, recovering cars and boats. I've never had a free flow with this system, maintenance is easy, super easy to breath, and works flawlessly in perfect or zero visibility

The MK11/C370 is a great choice for dive-trekkers. The balanced diaphragm MK11, with its chrome-plated brass body specially designed to reduce size and weight, is an ideal travel companion. Its system features internal parts that are sealed from the elements. The new C370 brings forth the best features of its predecessor, the C350, while adding a balanced valve to its design. Its new exhaust tee, based on the S620 Ti’s design, contributes to a 10% improvement in work of breathing over the C350. With this regulator system in your dive bag you’ll be ready to hit the water.

The Scubapro MK11 First Stage Regulator is the perfect choice for recreational divers who want the benefits of a diaphragm first stage. This type of first stage is known for its environmental sealing, which prevents water from entering the internal mechanism.
This is particularly important for divers who will be diving in cold water, as regulators can generate temperatures as low as 22-degree F (-5.5-degree C), and it is important to keep sensitive metal parts from coming into contact with the cold water or debris. The MK11 features a balanced diaphragm and a streamlined body made of machined marine-grade chromed brass. It also comes with the Thermal Insulating System (TIS), which keeps the first stage from freezing up in cold water conditions.
Additionally, the over-balanced diaphragm design provides better breathing performance at greater depths, and the regulator is equipped with two 7/16" threaded HP and four 3/8" threaded LP Ports, with two of the LP Ports being High Flow Ports (HFP) for easier breathing.
The Scubapro C370 Second Stage Regulator is the latest addition to the company's high-performance line of second stages. Based on the compact C350, the C370 features a balanced valve and improved exhaust tee for better work of breathing. It also includes a compact hi-flow mouthpiece for increased airflow and comfort, as well as adjustable inhalation effort control and a coaxial dive/pre-dive lever.
The air-balanced valve smoothes out the inhalation effort at varying depths and supply pressures, and the compact and rugged fiberglass-reinforced nylon casing makes it easy to transport. The regulator comes with a 3/8" threaded hose, and weighs 31 oz. (881g), and includes an owner's manual.
https://www.scubapro.com/scubapro-warranty
800-467-2822