POSEIDON 5811 Jetstream Octo Regulator Scuba Dive Exhaust 2ND

( Brand: Poseidon ), ( Manufacturer Part Number: 5811 ), ( Part Type: Regulator ), ( Country Of Origin: Sweden )

Review POSEIDON Jetstream Primary Or Octo 2nd Stage Regulator Scuba Dive Side Exhaust

The Poseidon 5811 Jetstream Octo 2nd Stage Regulator is a high-performance scuba diving exhaust system designed for ultimate breathing comfort and efficiency. This regulator is part of the Jetstream series, which is renowned for its exceptional breathing characteristics.

The 5811 Octo model comes with an additional octopus hose, allowing you to share air with a buddy in case of an emergency. The second stage regulator is constructed from durable materials, ensuring reliability and longevity underwater.

The Jetstream 2nd stage features a unique exhaust valve design, which helps to eliminate exhaust bubbles, reducing swim effort and enhancing overall diving performance. This results in a more streamlined and effortless swimming experience.

The regulator boasts a balanced diaphragm design, which provides instant delivery of air upon inhalation and maintains consistent airflow throughout the dive. The diaphragm is also highly responsive, delivering smooth and easy breaths, even during challenging diving conditions.

The Poseidon 5811 Jetstream Octo 2nd Stage Regulator is compatible with a wide range of first stage regulators and comes with a DIN connection. It also includes a purge button for easy clearing before dives and a fold-down exhaust for improved buoyancy control.

The regulator is designed with a high-visibility yellow front cover, making it easier to locate in low-light environments, ensuring your safety and peace of mind during your underwater adventures. With its exceptional breathing performance, reliability, and versatility, the Poseidon 5811 Jetstream Octo 2nd Stage Regulator is an ideal choice for any serious scuba diver.

The Poseidon 5811 Jetstream Octo 2nd Stage Regulator is a popular choice among scuba divers due to its unique features and design. Here are some pros and cons that may help you decide if this regulator is the right one for you.

1. Octopus design: The Jetstream Octo 2nd stage regulator comes with an octopus hose attached, which makes it convenient for sharing air with a buddy in case of an emergency.

2. Breathability: The Jetstream design of the regulator provides excellent breathability, making it ideal for divers who require high airflow, such as technical or rebreather divers.

3. Durability: Poseidon regulators are known for their high-quality construction, and the Jetstream Octo 2nd stage is no exception. The regulator is made of robust materials and is designed to withstand the rigors of scuba diving.

4. Easy to use: The regulator is easy to use and requires minimal maintenance, making it a great choice for divers who want a reliable and hassle-free regulator.

5. Customizable: The Jetstream Octo 2nd stage regulator can be customized with various options, such as different hose lengths and colors, to suit your specific diving needs.

1. Price: The Jetstream Octo 2nd stage regulator is more expensive than some other regulators on the market, which may make it a less attractive option for budget-conscious divers.

2. Size and weight: The regulator is larger and heavier than some other options, which may make it less ideal for travel or for divers who prefer a more compact regulator.

3. Complexity: The Jetstream design may be more complex than some other regulators, which may require a greater understanding of scuba diving equipment to use and maintain effectively.

The Poseidon 5811 Jetstream Octo 2nd Stage Regulator is a high-quality, durable, and customizable regulator that provides excellent breathability and is easy to use. However, it is more expensive and heavier than some other options, and its unique design may require a greater understanding of scuba diving equipment to use and maintain effectively.

If you are a technical or rebreather diver who requires high airflow and excellent breathability, or if you value the convenience of an octopus hose, the Poseidon 5811 Jetstream Octo 2nd Stage Regulator is an excellent choice. However, if you are on a tight budget or prefer a more compact and lightweight regulator, there may be other options that better suit your needs. Ultimately, it is important to consider your specific diving needs and preferences when choosing a scuba dive exhaust.

Details:

Standard 3/8 threads. Poseidon Jetstream.

part #: 5811 prices

• $137.87-$425.00

specifications regulatoscub:

• brand: Poseidon
• mpn: 5811
• part type: Regulator
• country of origin: Sweden

offer regulatoscub:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: October 23, 2025
• sold: 0

returns regulatoscub:

• policy: No Returns

shipping regulatoscub:

• carrier: USPS
• type: Fixed
• cost: $4.95
• service: USPS Ground Advantage, USPS Priority Mail
• transit: 5-11 Days
• class: Standard, Expedited

seller regulatoscub:

• city: Ponce de Leon, Florida
• rating: 99.5%
• # reviews: 5324

payments regulatoscub:

• wallet: Apple-pay
• credit card: Diners-club
• other

general regulatoscub:

• condition: Used
• Water Sports > Scuba Snorkeling > Regulators

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