<img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=8506645149407858&amp;ev=PageView&amp;noscript=1">
Nanobubble Technology
Products & Solutions
About Moleaer
Resource Hub
Recent articles
Want to get nanobubbles? Start the Conversation
©2024 Moleaer Inc. All Rights Reserved.
Freya_1920x1400

Optimize Fish Welfare with Submersible, Hyper-Efficient Oxygen Transfer

From the leader in nanobubble technology, Moleaer’s Freya submersible nanobubble generator enables fish farmers to achieve optimal water quality and reduce oxygenation costs.

ABOUT

Freya Nanobubble Generator

Front-Jun-11-2025-11-11-37-4755-AM

The Freya™ submersible nanobubble generators feature Moleaer’s patented nanobubble technology, built into a robust and durable system. Delivering the highest gas transfer efficiency and nanobubble production on the market, Freya offers the most cost-effective oxygenation - boosting and stabilizing dissolved oxygen (DO) levels for optimal water quality and lower oxygenation costs.

  • 60-70 m3/hr (264-308 GPM)
    flow rates
  • Assembled in Europe
  • Horizontal or vertical installation
  • Easy integration & installation
  • High-performance pump
  • Deployable down to 30 meters
  • Saltwater compatible

MOLEAER

Over 350 Aquaculture Installations Worldwide

Moleaer nanobubble technology has the largest installation base in the world and is independently validated by engineering and innovation teams at renowned universities and research institutions.

Freya 1 Installation Pics for HubDB
Freya 2 Installation Pics for HubDB
Freya 3 Installation Pics for HubDB

Benefits

Industry Leading Gas Transfer

Moleaer nanobubble technology delivers >85% oxygen transfer efficiency, far surpassing conventional methods. This enables dissolved oxygen levels to increase while using far less oxygen (and energy) than other traditional methods. Moleaer nanobubble technology dissolves gas efficiently and produces a high concentration of nanobubbles.

Industry Experts Delivering Results

We’re more than a technology provider – we’re a team of engineers and application specialists with deep knowledge of the industries we serve. We understand your unique challenges and know how to apply nanobubble technology to achieve your desired results and ensure seamless integration into your operations.

Largest Global Service Network

With the largest global installation base, Moleaer’s Global Service Team brings unmatched experience to every project. From seamless installation to ongoing optimization, our experts ensure your systems perform at their best. We're here to support you at every stage, delivering the responsiveness, reliability, and results you need to succeed.

Freya

Freya Nanobubble Generator

Moleaer’s Freya submersible nanobubble generators significantly enhance water quality and oxygenation, and are specifically engineered to meet the unique demands of aquaculture.

Freya

Experience the cutting-edge technology of the Moleaer Freya™ Nanobubble Generator - a groundbreaking submersible oxygenation system engineered to dramatically improve oxygen use efficiency and reduce operational costs in net pens, waiting cages, RAS and hatcheries, and even emergency deployments. Enhance fish welfare with superior oxygenation and optimized water quality parameters.

Specifications:
Right_45
New_Angle
Front-Jun-11-2025-11-11-37-4755-AM

Freya with Super Duplex Pump

Experience the advanced performance of the Moleaer Freya™ Nanobubble Generator with Super Duplex Pump – a robust, submersible oxygenation system engineered for challenging, high-temperature seawater environments. Featuring a corrosion-resistant Super Duplex Pump, this model is ideal for tropical aquaculture operations, including net pens, waiting cages, RAS, hatcheries, and emergency deployments. Deliver exceptional oxygen transfer efficiency, reduce operational costs, and enhance fish welfare through improved water quality — even in the most demanding marine conditions.

Specifications:
Right_45-1
New_Angle

More Products

Need a different nanobubble solution?

Moleaer delivers adaptable nanobubble technology to meet your needs, including inline, pumpless nanobubble injection and RAS solutions.

Neo N ox Front_45_A

Neo Series

40-275 GPM (9-62 m3)/hr | RAS Facilities & Processing Plants

Trinity SS Front_45-2

Trinity

150-5000 GPM (45-900 m3/hr) | RAS, Wellboats, Waiting Cages | Inline integration

Exterior_Back_45

Titan Series

500 and up GPM (114 and up m3/hr) | Container, Trailer & Skid Mounted Configurations

Group 1

Already Own a Freya Nanobubble Generator?

Get installation, operation, maintenance tips and videos,
access the owner's manual, and review warranty information.