Scubapro has been a trusted name in diving equipment since 1963. Their regulators are known for their durability, performance, and reliability, whether you’re diving on tropical reefs, exploring cold-water wrecks, or venturing into demanding cave systems. That said, the range can look confusing at first glance with all the model numbers and designations.
To help you make an informed decision, here’s a comprehensive breakdown of Scubapro's current regulator line-up. We'll cover both first and second stages, explain their technical differences, and highlight the ideal use cases for each.
But first, if this is your first time buying a regulator, let’s quickly explain what it actually is and how the two main components work together.
What Is a Regulator? First Stage vs. Second Stage
A scuba regulator has two main parts that work together to deliver breathable air from your tank:
First Stage
This part attaches directly to your scuba tank and reduces the high-pressure air inside to an intermediate pressure. It’s the core of your air delivery system. Different models offer features like swivel turrets, environmental sealing, and various port configurations to match different diving styles.
Second Stage
This is the part you breathe from. It takes the air from the first stage and delivers it at the pressure you need when you inhale. Second stages differ in weight, materials, and features such as adjustable breathing resistance and moisture retention. These can greatly affect comfort and performance during a dive.
Now that you know how it all works, let’s take a closer look at Scubapro’s current line-up, starting with the first stages.
SCUBAPRO First Stages: Function, Form, and Fit
MK25 EVO — The Flagship Performer
Type: Piston / Swivel turret: Yes / Ports: 5 LP, 2 HP
Use Case: All-around performance, technical diving, demanding environments
The MK25 EVO is SCUBAPRO’s flagship first stage, known for its exceptional air delivery and cold-water resistance. The swivel turret and fifth LP port make it incredibly versatile for any configuration, including side mount and twin set-ups. The EVO upgrade enhances cold water performance, and Black Tech and Titanium versions offer added durability or weight savings for travel.
Best for divers who want the absolute top-tier performance, flexibility, and hose routing.
MK19 EVO - For Harsh Conditions
Type: Diaphragm / Swivel turret: Yes / Ports: 5 LP, 2 HP
Use Case: Cold, silty, or contaminated water environments
Designed with environmentally sealed diaphragm internals, the MK19 EVO is built to perform in muddy, silty, or cold conditions. The sealed system prevents contaminants from entering, requiring less maintenance and providing better reliability in tough environments.
Great for cold-water, muck, or cave divers looking for robust, sealed performance.
MK17 EVO 2 - The Reliable Workhorse
Type: Diaphragm / Swivel turret: No / Ports: 4 LP, 2 HP
Use Case: Rugged, no-fuss reliability
The MK17 EVO 2 is smaller and lighter than its predecessor while improving airflow. It's a budget-friendly diaphragm option that forgoes a swivel turret but retains excellent reliability and cold-water performance.
Ideal for recreational and advanced divers who want durability and reliability over customisation.
MK11 EVO - Travel-Friendly Diaphragm
Type: Diaphragm / Swivel turret: No / Ports: 4 LP, 2 HP
Use Case: Warm water travel and occasional temperate diving
A lightweight, environmentally sealed diaphragm first stage that offers solid performance in warm to temperate conditions. It’s compact enough for travel but still reliable for most diving scenarios.
A great pick for holiday divers and those wanting simplicity and travel weight savings.
Type: Unbalanced piston / Swivel turret: No / Ports: 4 LP (radial), 1 HP
Use Case: Entry-level, budget, or backup systems
The MK2 EVO is SCUBAPRO’s most compact and affordable first stage. Its radial hose configuration can be restrictive for advanced hose routing, and it has only one HP port — limiting the use of both a gauge and transmitter. However, it performs admirably for basic setups in warm and even cold water.
Best for beginner divers, stage bottle use, or anyone on a tight budget.
SCUBAPRO Second Stages: Performance You Can Breathe
A700 - The Premium Metal Breather
Material: Full Metal Body
Features: Adjustable inhale effort, Venturi switch
Use Case: Cold water, high performance, dry mouth reduction
The all-metal construction makes this second stage exceptionally cold-resistant and helps retain moisture in the air, reducing dry mouth on long dives. Its performance is top-tier and it’s available in Black Tech and Carbon editions for added durability and reduced weight.
Perfect for serious divers who want a sleek, cold-water capable regulator with luxurious performance.
Material: Composite & Titanium
Features: Lightweight, high airflow, adjustable inhale & Venturi
Use Case: High-performance all-arounder
The S620Ti combines the best features from across SCUBAPRO’s range — borrowing the diaphragm from the A700, exhaust tee from the S600, and a titanium barrel for corrosion resistance and weight savings. One of SCUBAPRO’s smoothest breathers.
Best for divers who want flagship-level performance in a lighter second stage.
Material: Composite w/ metal frame
Features: Balanced valve, adjustable inhale, Venturi
Use Case: Versatile, cold-water capable, high-performance
A tried-and-tested mid-range option that balances performance, adjustability, and price. It works across a wide range of environments and is a favourite among instructors and recreational divers alike.
An ideal choice for divers seeking performance without the premium price tag.
G260 - The Tech Diver’s Favourite
Material: Metal-reinforced
Features: Storage mode, reversible hose, adjustable inhale, Venturi
Use Case: Technical diving, side mount, cave diving
Similar performance to the S600, but optimized for tech setups. It includes reversible hose routing, easy disassembly, and a locking purge button for long-term storage. Perfect for stage bottles and side mount setups.
The go-to for advanced technical divers or anyone needing a reversible reg.
Material: Composite
Features: Unique diaphragm position, smooth inhalation in all positions
Use Case: Primary reg, cold and warm water diving
Its unusual design hides some of the best breathing performance available. By repositioning the diaphragm and using a progressive-flow valve, the D420 offers exceptionally natural breathing in any orientation.
Ideal for divers who prioritize breathing comfort over traditional aesthetics.
Material: Composite
Features: Adjustable inhale & Venturi
Use Case: Travel-friendly and recreational use
Paired often with the MK11, this is SCUBAPRO’s best option for a budget-conscious travel setup. While not dramatically lighter, it offers a solid all-around performance with reduced bulk.
A solid option for the traveling diver who still wants SCUBAPRO reliability.
Material: Composite
Features: Venturi only (no inhale adjustment)
Use Case: Entry-level regulator or octo
Pneumatically balanced for better performance than most budget second stages, the S270 delivers where it counts without unnecessary extras. Typically seen in Octopus configurations but also available in black as a primary.
Great for divers looking for simplicity and dependable performance at a fair price.
R105 & R095 - Simple & Rugged Octopus
R105: Venturi switch
R095: Fixed VIVA, no adjustment
Use Case: Reliable backup second stages
Both are designed to be tough, straightforward, and easy to use in emergencies. The R105 adds a Venturi switch to prevent free flows; the R095 simplifies things even further with a present flow system. Both perform solidly in recreational settings.
Perfect backup second stages that won’t break the bank.
Which Regulator Should You Choose?
Choosing the right regulator comes down to where and how you dive. Here's a quick cheat sheet:
- For travel divers: MK11 + C370 or MK25 EVO + S620Ti
- For cold/technical diving: MK19 or MK25 + G260 or A700
- For recreational all-rounders: MK17 EVO + S600
- For budget builds: MK2 EVO + R095
- For rugged environments: MK19 or MK17 + G260 or S270
Still unsure which setup fits your diving lifestyle? Get in touch with our dive experts at Mike’s Dive Store - we’re happy to walk you through the best configuration for your needs.
