This is the ScubaPro MK21 First Stage Scuba Diving Regulator
- Compact-Sized Piston-Controlled First Stage
- Close to 20% Smaller than Scubapro's MK25, Great for Travel
- Mid-Range Air Balanced, Flow-Thru-Piston-First Stage
- Ultra-Fast Breathing Response
- MK21 First Stage: Best Compromise for Right-Price & Performance w/Ease-of-Maintenance
- Machined, Marine-Grade Chrome Plated Body
- Balanced Composite/Stainless Steel Flow-Thru Piston
- Thermal Insulating System (TIS)
- High Performance in Warm and Cold Water to 3336 psi (230 bars)
- HP Ports: 2
- 4-HF (High Flow) LP Ports with Hose Routing at +/- 20° Angles
All orders over $50 ship for free. (* some exclusions apply)
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150% Price Protection Policy.
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