OTS Guardian Full Face Mask
The Guardian line of Full-Face Masks (FFMs) is OTS’ most recent innovation. Designed to meet the demanding needs of today’s Commercial/Professional Diver, it leverages the best features found on other FFMs with unique features designed by OTS. The Guardian FFM comes in the following colour combinations (skirt/hardware): black/black, black/blue, black/red, black/pink, blue/black, and yellow/black.
Take your underwater communication, comfort, and safety to the next level with the OTS Guardian Full Face Mask. Designed by Ocean Technology Systems (OTS), the Guardian is a lightweight, low-volume full face mask that delivers exceptional visibility, natural breathing, and reliable performance for recreational, commercial, public safety, and scientific divers.
Unlike traditional scuba masks and regulators, the Guardian covers the entire face, allowing divers to breathe naturally through both the nose and mouth while keeping the face protected from cold, contaminated, or irritating water. Its advanced design reduces jaw fatigue, increases comfort on long dives, and provides a secure, watertight seal for a wide range of face shapes.
The Guardian is also communication-ready, making it an excellent choice for divers who require underwater communications systems for training, professional operations, or team diving activities. The large panoramic lens offers an expansive field of vision, helping divers maintain better situational awareness and confidence underwater.
Whether you’re exploring reefs, conducting inspections, or working in demanding underwater environments, the OTS Guardian Full Face Mask provides the comfort, protection, and performance serious divers demand.
Features of the Guardian FFM include:
- Removable 2nd stage for easy cleaning and storage (can’t be used w/o mask)
- Made of a one-piece, non-rigid silicone skirt combined with injection-molded, high-impact, glass-filled ABS plastic frame and regulator housing
- A double face seal and slightly smaller oral nasal cavity to fit most faces
- Equalization occurs through a nose block.
- Air flow is directed up over the visor to eliminate fogging and through one-way valves in the oral nasal pocket to reduce CO2 retention.
- 2nd stage comes off the right shoulder and uses a standard LP hose
- Includes a communications port for easy installation of a Buddy Phone® or ear/microphone assembly to connect an OTS Diver Communications Unit such as the PowerCom 3000D
- Includes OTS’ Ambient Breathing Valve®, Mask Bag, and LP hose
- Lightweight, low-volume full face mask design
- Allows natural breathing through both nose and mouth
- Large panoramic visor for outstanding visibility
- Communication-ready for OTS underwater communication systems
- Comfortable silicone face seal for a secure fit
- Integrated second-stage regulator system
- Adjustable five-point head harness for easy donning and removal
- Removes jaw fatigue associated with traditional mouthpieces
- Suitable for recreational, commercial, scientific, and public safety diving
- Durable construction designed for demanding underwater conditions
Benefits
Enhanced Comfort
Breathe naturally and eliminate the jaw strain caused by holding a regulator in your mouth throughout the dive.
Improved Safety
The full-face design keeps the regulator securely in place and allows continuous breathing through the nose and mouth.
Superior Protection
Shields your face from cold water, contaminants, marine stings, and other environmental irritants commonly encountered underwater. Full face masks are widely used for face protection and communication integration in professional diving applications.
Better Underwater Communication
Compatible with OTS communication systems, enabling clear diver-to-diver and diver-to-surface communication.
Wider Field of View
The panoramic lens design increases visibility and awareness, helping divers navigate and work more effectively underwater.
Versatile Performance
Ideal for recreational scuba diving, underwater inspections, public safety diving, scientific research, and commercial operations.

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