TUSA RS-681 High-Performance Scuba Regulator
The TUSA RS-681 Scuba Regulator is a great all-around diving regulator. It's compact and lightweight, but still has all the advanced technology you need for an exceptional diving experience. This top-performing regulator boasts an ultra-compact R-600 first stage with a balanced diaphragm and multiple ports, while the newly developed S-81 second stage provides smooth and effortless breathing with its innovative Sequential Exhaust Assist (S.E.A.) and venturi adjustment. The RS-681 comes with a moisture exchange plate to help with dry mouth and a flexible Miflex® hose, so you can dive to any depth in any water temperature with comfort, reliability, and adjustability.
Key Features
- Sequential Exhaust Assist (S.E.A.) system for reduced exhalation resistance and natural breathing
- Breathing Resistance Adjustment Control for fine-tuning air flow
- Moisture exchange plate to reduce dry mouth by adding moisture to the inhaled air
- Ultra-compact R-600 first stage with 2 HP and 4 LP ports for versatile configuration
- Flexible Miflex® hose with high burst resistance and kink resistance
Related Underwater Gear Categories:
- Extensive Collection of Scuba Equipment
- Comprehensive Range of TUSA Gear
- Wide Array of Scuba Diving Regulator
- Dive Travel Packages with Bluewater Dive Travel
Detailed Specifications
- First Stage: R-600 balanced diaphragm, ultra-compact, weighing only 630g
- Ports: 2 HP and 4 LP ports on the first stage for flexible hose placement
- Second Stage: S-81 with Sequential Exhaust Assist and venturi adjustment lever
- Additional Features: Cold Water Kit (EK-600) kit available
- Certification: Miflex hose certified to EN250 standards
Technologies
- Sequential Exhaust Assist (S.E.A.): Dual exhaust system for smoother, natural breathing
- Venturi Flow Adjustment: Adjusts airflow to prevent free flow at surface
- Moisture Exchange Plate: Reduces dry mouth by adding moisture to the inhaled air
- Environmentally Sealed 1st Stage: Prevents contamination and freezing in cold waters
- Ortho-Conscious Mouthpiece: Designed to prevent jaw fatigue and enhance comfort
What's in the Box
- 1x TUSA RS-681 Regulator (First Stage R-600 and Second Stage S-81)
- User Manual