From start to finish, the RG100 balance piston 1^st stage delivers exceptional performance for all your dives. Coupled with the O.D.S. hose system, the balance piston delivers consistent, maximum airflow at vitally any pressure level and diving depth. A unique flow-through piston design ensures optimum flow, even under arduous diving conditions.

The RG050 provides simplicity in its slim design while delivering consistent and smooth breathing. This 1st stage regulator is especially designed for divers looking for reliable performance without the hefty price tag. It is perfect for occasional sport divers.

Recommended 2nd Stage: OC350, OC300, OC450, OC400

Advantages: reliable, easy breathing, affordable

Users: sport divers, rental gear

An innovative device that combines a power inflator with a Second stage and a ScubaAqua underwater horn. Constructed with the most durable materials. The simple design and mechanisms makes maintenance very simple. Integrated into the BCD''s inflator air system. An ideal replacement for the Second stage octopus. The ScubaAqua horn works both underwater and on the surface. The volume is very high at 110-120 dB. Approximated surface range is about 1.0 Km. Alert, Inflation and Deflation buttons.

• Newly designed balanced 2nd stage regulator
• External air intake resistance adjustment system
• Internal air deflector for smooth and easy breathing
• Prevents jaw fatigue during long dives
• Large diameter exhaust valve allows for proper removal of exhaled air

Recommended 1st stage: DF300, DF300E, RG100, RG050

• Swivel down stream demand valve with eternal air intake adjustment swivel joint makes it turn left or right
• Dual silicone exhaust valves which directs bubbles away from mask
• Soft rubber front cover with alumium ring
• Compact and lightweight

• Connects on BCD inflator hose which eliminates cumbersome hose and drag of standard octopus.
• Economical and high performance alternative air source.
• Compact and lightweight.
• Free flow resistant.

• Economical and high performance alternative air source.
• The thin and sleek design allows for multi-directional use.
• Compact and lightweight.
• Free flow resistant.

Voyager series features:

• Mechanically balanced for smooth and easy inhalation and exhalation.
• Under-chin exhaust system, directing bubbles to the sides.

Recommended 1st stage: DF300, DF300E, RG100, RG050

Voyager series features:

• Mechanically balanced for smooth and easy inhalation and exhalation.
• Under-chin exhaust system, directing bubbles to the sides.

Recommended 1st stage: DF300, DF300E, RG100, RG050

Explorer series features:

• External air intake resistance adjustment system.
• Internal air deflector for smooth and easy breathing.
• Lightweight and compact, weights merely 7 oz without the hose.
• Prevents jaw fatigue during long dives.
• Large diameter exhaust valve allows for proper removal of exhaled air.

Recommended 1st stage: DF300, DF300E, RG100, RG050

Explorer series features:

• External air intake resistance adjustment system.
• Internal air deflector for smooth and easy breathing.
• Lightweight and compact, weights merely 7 oz without the hose.
• Prevents jaw fatigue during long dives.
• Large diameter exhaust valve allows for proper removal of exhaled air.

Recommended 1st stage: DF300, DF300E, RG100, RG050

The Storm Nitrox first stage regulator is compatible with oxygen mixes up to 100%. Storm first stage regulator incorporates the most advanced regulator design. It gives you excellent breathing whether your in the deep or near the surface. Its efficient design gives it an advanced look. It has undergone rigorous pressure testing (300 bar) to ensure its integrity. The design of the valve and the seat of the first stage offer optimal performance under all conditions. 

Recommended 2nd Stage: OC350, OC300, OC450, OC400

Advantages: reliable, ideal regulator for dirty water environment and all diving conditions, environmentalized to prevent freeze-up.

Users: ice divers, lake divers, tech divers, pro divers

By adding a diaphragm to this environmental sealed DF300E unit, the spring chamber is sealed completely and can effectively improve the performance of the regulator for diving under extreme conditions. Regardless whether the pressure of the tank is 500psi or 3000psi, this 1st stage regulator will always offer divers stabilized air. The intermediate pressure internal adjustments allow divers to choose any one of the 2nd stages to connect with Promate DF300E regulators in today's market.

Recommended 2nd Stage: OC350, OC300, OC450, OC400

Advantages: reliable, ideal regulator for dirty water environment and all diving conditions. Environmentalized to prevent freeze-up.

Users: ice divers, tech divers, pro divers

You asked, we delivered. Based on the demands from divers and dive shops, Promate is proud to introduce this new pneumatically balanced diaphragm 1st stage for advanced divers and pro divers; those who rely on consistent and smooth airflows for greater performance. The four intermediate pressure output ports are mounted on a swivel base that helps divers adjust the hoses to the most comfortable position. The two high-pressure output ports positioned on each side of its main body can be connected to pressure gauge, dive computers or the hose-less transmitter.

Recommended 2nd Stage: OC350, OC300, OC450, OC400

Advantages: reliable; perfect regulator for extreme conditions

Users: tech divers, pro divers, frequent divers