COMPLETE REGULATOR PACKAGE SPECIAL: Get a lightweight, high-performance breathing system built for world travel. The Scubapro MK11 / C370 Package Special pairs Scubapro's smooth, balanced diaphragm first stage with a compact, air-balanced second stage—delivering effortless air flow in a packable design.
The MK11 First Stage features a sealed, balanced diaphragm design that isolates internal moving parts from water and debris, making it incredibly low-maintenance and reliable in all conditions. Combined with the C370 Second Stage—which features a pneumatically balanced valve and user-adjustable inhalation control—this regulator set offers top-tier breathing performance without adding weight to your dive bag.
Package Includes
- Scubapro MK11 First Stage: Balanced diaphragm design in a chrome-plated brass body with 4 Low Pressure (LP) and 2 High Pressure (HP) ports.
- Scubapro C370 Second Stage: Compact, pneumatically balanced second stage with adjustable inhalation effort and VIVA dive/pre-dive control.
- Scubapro R095 Octopus (Optional/Included): Dependable, high-visibility backup second stage with a pre-tuned VIVA switch for easy breathing.
- Scubapro Compact Pressure Gauge (SPG): Durable, easy-to-read pressure gauge for accurate, real-time tank monitoring.
- Super-Flow Hose: High-spec hose with an oversized bore for maximum airflow on every breath.
Key Features & Specs
- Balanced Diaphragm First Stage: Delivers ultra-consistent airflow regardless of depth, tank pressure, or breathing rate while preventing internal corrosion.
- Compact Marine-Grade Casing: The C370 second stage is built with a rugged, fiberglass-reinforced nylon casing that resists scratching and reduces jaw fatigue.
- User-Adjustable Breathing Effort: Dial in your ideal inhalation resistance using the easy-grip control knob, even while wearing thick dive gloves.
- VIVA (Venturi-Initiated Vacuum Assist): Integrated dive/pre-dive switch prevents unwanted surface free-flows while maximizing airflow at depth.
- Lightweight Travel-Ready Profile: Significantly lighter than traditional brass systems, making it an ideal choice for tropical dive vacations and weight-conscious travelers.
- Nitrox Ready: Factory cleared for use with enriched air Nitrox mixes up to 40% O? right out of the box.
Technical Specifications
| Feature | Specification |
|---|---|
| First Stage Type | Balanced Diaphragm (Chrome-Plated Marine Brass) |
| Second Stage Type | Pneumatically Balanced Valve (Fiberglass Nylon Case) |
| Ports | 4 Low Pressure (LP), 2 High Pressure (HP) |
| Weight (INT / DIN) | First Stage: ~710 g (INT) / ~490 g (DIN) | Second Stage: ~171 g |
| Gas Compatibility | Air & Nitrox up to 40% O? |
| Controls | Inhalation Effort Knob & VIVA Dive/Pre-Dive Lever |
| Mouthpiece | Orthodontic High-Flow Silicone Mouthpiece |
| Connection Options | INT / Yoke (230 bar) or DIN (300 bar) |
Frequently Asked Questions
Q: Why is the MK11 / C370 setup ideal for traveling divers?
A: The C370 second stage utilizes a compact fiberglass-reinforced body that weighs only 171 grams. Paired with the compact body of the MK11, it takes up minimal space in carry-on luggage and significantly reduces jaw strain on long multi-dive days.
Q: How does a balanced diaphragm first stage benefit my diving?
A: Balanced diaphragm first stages like the MK11 deliver smooth, consistent intermediate air pressure to your second stage regardless of your remaining tank pressure or depth. Furthermore, internal mechanisms stay sealed away from ambient water, protecting against silt and corrosion.
Q: What is the purpose of the VIVA switch on the C370?
A: The VIVA (Venturi-Initiated Vacuum Assist) lever controls air redirection inside the mouthpiece. Set it to "PRE-DIVE" on the boat or surface to prevent accidental free-flows, then flip it to "DIVE" underwater for effortless inhalation.
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