Scubapro G260 Second Stage Regulator Review: 1800 l/min Airflow at 2900psi

What the G260 Is, and Who For

Scubapro G260 Second Stage Regulator delivers 1800 l/min airflow at 2900psi/200bar for divers who need to minimize weight on a backmount rig.

Smooth breathing depends on an air-balanced valve that maintains a consistent flow even as the air supply pressure drops toward the 2900psi limit. This ensures the diver maintains a steady rhythm during a long bottom time without fighting the regulator.

The Scubapro G260 achieves this consistency by using a metal air barrel and a second stage casting and diaphragm. These components work together to provide a predictable inhalation effort for a variety of underwater tasks.

We evaluated 16 second stage regulators and selected 10 for full review. The Scubapro G260 was chosen because it is one of the most-rated products that pass screening, with 7 buyer ratings, the 2nd most of the 16 screened. Our full review is based on a data-driven spec breakdown of the products we evaluated. This review is for reliability-first buyers who want to avoid a bad purchase.

The Short Answer on the G260

Best for: you need a lightweight second stage regulator for a backmount rig or a hookah setup where keeping the weight under 10oz is a priority.

The Scubapro G260 is a reliable choice for these needs at the $1249 mark.

• Pro: The 9.5oz weight keeps the unit manageable for sidemount and left-handed configurations.
• Pro: A high-flow exhaust valve allows for efficient gas movement during heavy breathing.
• Pro: The metal air barrel and metal valve inlet tube provide a robust internal structure.
• Con: The 5.0 rating comes from only 7 buyers, which provides a small sample size for assessing long-term reliability.
• Con: The 8.7 x 8.8 x 3.8 inch dimensions may be too large for certain compact, minimalist setups.

Don’t buy this if: you require a regulator that weighs less than 8oz to meet your specific sidemount weight threshold.

Price assessment: The $1249 price point is a premium investment for a second stage regulator with these specific weight and flow characteristics.

Divers seeking specialized gear should see the best second stage regulator for full face diving mask options.

The Numbers on the Spec Sheet

The weight of 9.5oz/268g (without mouthpiece) measures the heaviness of the unit.

Practical Performance of this Second Stage Regulator

High-flow exhaust valve provides 1800 l/min at 2900psi

The G260 provides an airflow of 1800 l/min at 2900psi, which is the volume of air the device allows you to exhale every minute. This flow rate supports high-demand breathing scenarios, such as heavy exertion or rapid clearing of the regulator, by ensuring the exhaust path does not create a bottleneck. While many regulators prioritize inhalation, this specific volume ensures you can move air out of the system quickly during intense physical activity.

A high-flow exhaust valve also helps prevent water from entering the first stage during exhalation, which protects the internal mechanism from moisture accumulation. Because the G260 handles 64 SCFM (standard cubic feet per minute), you can rely on consistent exhaust even when breathing rapidly. This capacity is a primary factor in maintaining a steady respiratory rhythm during demanding dives where exhaling quickly is necessary to avoid CO2 buildup.

Dedicated knob allows for diver-adjustable inhalation effort

You can adjust the inhalation effort using a dedicated knob on the G260 to customize how much force is required to draw air into the mouthpiece. This feature allows you to balance the work of breathing—the amount of effort needed to inhale—against your personal comfort and physical needs. By turning the knob, you can reach a setting that feels natural for your lung capacity and the specific depth of your dive.

Adjustability is particularly useful for different body types or varying levels of fitness, as it allows you to prevent the breathing resistance that can lead to exhaustion. While some regulators have fixed settings, this knob gives you a range of resistance to choose from before you enter the water. Because the effort is user-adjustable, you can fine-tune the device to ensure it provides a consistent feel regardless of the pressure changes you encounter during your descent.

Metal air barrel and valve inlet provide reinforced construction

The G260 features a metal air barrel and metal valve inlet tube, which are the primary components responsible for maintaining the structural integrity of the air path. Many regulators use plastic for these internal parts, but the use of metal here provides a more rigid structure for the air to travel through. These metal components ensure that the internal geometry remains consistent over time, supporting reliable air delivery even after repeated use.

The remainder of the body is built with a reinforced technopolymer design, which provides a balance between durability and the 9.5oz weight of the unit. This material choice allows the G260 to remain light enough to minimize weight on a backmount rig or a sidemount setup while maintaining a rugged exterior. By combining metal internals with a reinforced polymer housing, the design supports a long service life in saltwater environments without adding the bulk of an all-metal housing.

The G260 Job by Job: What Its Figures Cover

The G260 against the jobs buyers ask about, worked out from its listed weight and a typical need for each job.

For a different application, look at the best second stage regulator for hookah diving rankings.

To help with your budget, see what different price levels get you for these units.

Where the G260 Sits Among the Alternatives

The Scubapro G260 provides a high-flow rate of 1800 l/min at 2900psi, which is a significant volume of air delivered per minute compared to many standard models. This high-flow capacity allows for easier breathing during high-exertion activities where a faster gas exchange is required. While many regulators focus on basic functionality, the G260’s flow rate is a specific metric that supports its position as a high-performance option for demanding dives.

• The Dräger Secor 7000 T54559 is $158 cheaper than this product.
• The Atomic T2X First & Second Stage Regulator is $285.49 more expensive than this product.
• The Scubapro G620 Ti is $561 cheaper than this product.
• The Hollis 200LX is $909.05 cheaper than this product.
• The Oceanic Delta 5 Second Stage Regulator is $1019.05 cheaper than this product.
• The Scubapro G260 ranks 1st highest-rated of 5 in this comparison, though it holds a sample of only 7 buyer ratings.

If you are looking for a budget-friendly entry point and do not require high-flow performance, the Oceanic Delta 5 Second Stage Regulator is the better pick for your requirements.

If you are looking for a titanium option, see our full review of the S620 Ti.

You can also view the complete performance breakdown of the Hollis 200LX.

What a $1249 price point buys for this regulator

The Scubapro G260 sits at the $1249 mark, which is $472 above the $777 average of the similar second stage regulator products we compared. At this price point, you receive a reinforced technopolymer design and a metal air barrel, which provides a durable housing for the internal components. You also get a high-flow exhaust valve and a diver-adjustable inhalation effort knob to customize breathing resistance.

The G260 is the right buy if you need a high-flow regulator that weighs 9.5oz/268g for a backmount or sidemount rig. This weight is sufficient for most setups and allows for a balanced feel on a small boat. While the 5.0 rating comes from only 7 buyer ratings—a sample size that settles nothing about long-term reliability—the inclusion of a metal valve inlet tube and an air-balanced valve provides the core hardware expected at this price.

What It Takes to Run the G260

Setting Up Your G260

You need a compatible high-pressure cylinder to use the G260. Because the listing does not specify the connection type, you must verify the valve interface before the regulator arrives.

1. Unpack the G260 and inspect the metal air barrel for any visible damage.
2. Verify that the regulator hose connection matches your cylinder’s valve type.
3. Attach the regulator hose to the metal valve inlet tube and secure the connection.
4. Install a Submersible Pressure Gauge to monitor cylinder pressure during the dive.
5. Check the O-rings and ensure they match the G260’s threads to prevent leaks.

Warranty and Support: What to Check

Warranty coverage and return policies vary by seller and country. Confirm these details before you finalize your purchase.

• Verify the O-ring material and size to ensure an airtight seal, as a leak can cause a free-flow.
• Confirm the regulator hose length and connection type to ensure it reaches your required setup.
• Check the condition of the diver-adjustable inhalation effort knob to ensure it moves smoothly.

Test the G260’s breathing resistance and check for moisture accumulation immediately upon arrival while the return window is still open.

Questions Buyers Ask About This Second Stage Regulator

How much does the Scubapro G260 weigh?

The Scubapro G260 weighs 9.5oz (268g), which is a weight that is sufficient for keeping a backmount rig light. Does this weight include the mouthpiece? The 9.5oz figure excludes the mouthpiece, meaning the total weight on your regulator assembly will be slightly higher than the stated value.

What is the airflow capacity of the Scubapro G260?

This flow rate is what allows for consistent breathing during your dive, and the 1800 l/min figure is the specific performance metric for this model. While the 5.0 rating from 7 buyers provides some context, a sample of 7 people settles nothing regarding long-term reliability.

Is the Scubapro G260 suitable for a sidemount setup?

Yes, the Scubapro G260 is suitable for a sidemount setup because it weighs 9.5oz. This weight falls at the easier end of the 8 to 11oz range required to minimize weight for sidemount configurations. You can rely on the reinforced technopolymer design and metal air barrel to maintain the integrity of the unit’s structure.

What type of connection does the Scubapro G260 use?

The Scubapro G260 features a metal valve inlet tube and an air-balanced valve, which is a mechanism that ensures the resistance to breathing remains consistent regardless of your depth. While the listing does not specify if it is a Yoke or DIN connection, the metal inlet tube is the component that interfaces with your cylinder’s first stage.

Is the G260 Right for You?

Who the G260 suits and the jobs it is the wrong choice for, listed below with the reason for each.

It is also important to understand the regulator certifications and safety standards required for use.

Where to Buy This Second Stage Regulator

When we looked in November 2026, the G260 was listed at $1249 – a snapshot that may have changed since.

Second stage regulators are sold by the retailers below – we do not track which of them has the G260 in stock, so check availability and the current price with the retailer before making a trip.

• Dick’s Sporting Goods (online and physical stores) — physical locations for immediate pickup of common brands
• ScubaGear.com (online only) — wide selection of major brands and technical gear
• DiveInn (online only) — extensive inventory of international scuba brands
• Triton Diving (online and physical stores) — specialist staff and local equipment servicing
• Scubapro (online and physical stores) — official manufacturer outlet for brand-specific parts and gear
• Amazon (online only) — broad availability of entry-level and consumer brands

Final Verdict on the G260

If you are worried about the weight of your backmount rig, the Scubapro G260 weighs 9.5oz (268g) without the mouthpiece. This weight is sufficient to meet the requirements for a budget backmount, a hookah setup, or a left-handed configuration where the needed mass is 12oz or less.

You might find it difficult to inhale if the breathing resistance is too high, but the G260 includes a diver-adjustable inhalation effort knob to tune the feel. The device uses an air-balanced valve to distribute gas evenly and a high-flow exhaust valve to clear water quickly. It features a metal air barrel and a metal valve inlet tube to maintain structural integrity during use.

The reinforced technopolymer design provides a durable housing for the internal second stage casting and diaphragm.

You should choose the Scubapro G260 if you need a lightweight second stage regulator for a budget backmount or a specialized sidemount setup. The G260 is available for around $1249.

The 9.5oz weight of the G260 allows it to stay balanced on a small boat or a sidemount rig where keeping the profile light is a priority. While it has a 5.0 rating from 7 buyers, this small sample size does not provide a definitive conclusion on long-term reliability.

Skip it if: You require a regulator that weighs less than 9.5oz for an ultra-light sidemount rig or if you require a product with a larger sample size of buyer ratings.