
Price Match Policy
Cheaper elsewhere? We’ll match it or credit you back even after purchase.
Terms and Conditions Apply!
Couldn't load pickup availability
Free standard shipping on orders over $99
Terms and Conditions Apply!
We can ship to any address in Australia and New Zealand. Note that there are restrictions on some products, and some products cannot be shipped to some locations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full kilo.
The Fluval U3 Underwater Filter is a high-performance internal filter designed for medium to large aquariums up to 150 liters. With a flow rate of 600 liters per hour (L/H), it delivers efficient mechanical, chemical, and biological filtration, keeping your aquarium water clean, clear, and healthy. Suitable for freshwater, tropical, and marine tanks, the U3 also improves water circulation and oxygenation, supporting the overall health of your fish and aquatic plants.
600 L/H Flow Rate: Provides strong and consistent water movement for tanks up to 150 liters, maintaining a stable and healthy aquatic environment.
Multi-Stage Filtration: Combines mechanical, chemical, and biological filtration to remove debris, toxins, and organic waste effectively.
Submersible & Compact Design: Fully submersible and unobtrusive, fitting neatly inside the tank without disrupting the aquascape.
Adjustable Flow: Customize water flow to suit delicate species, planted tanks, or high-demand fish setups.
Quiet Operation: Engineered for minimal noise, ensuring a peaceful environment for both your fish and your living space.
Easy Maintenance: Filter media is easily accessible for routine cleaning, keeping the unit efficient and prolonging its lifespan.
Installation: Attach the filter to the aquarium wall using suction cups, ensuring it is fully submerged.
Flow Adjustment: Set the water flow according to the tank’s inhabitants and conditions.
Regular Cleaning: Rinse the filter sponge and media every 2–4 weeks in tank water to preserve beneficial bacteria.
Water Monitoring: Test ammonia, nitrite, and nitrate levels regularly to ensure optimal filter performance.
The Fluval U3 Underwater Filter is ideal for community aquariums, planted tanks, cichlid setups, and discus tanks up to 150 liters. For heavily stocked aquariums, pairing it with high-quality biological media and performing regular water changes will help maintain optimal water clarity and a healthy aquatic environment.
Get the latest updates on new products and upcoming sales
Thanks for subscribing!
This email has been registered!