Description
xTuodaxin 20W Submersible Filter: 4-in-1 Performance for 50–120 Gallon Tanks
Meet the Tuodaxin 20W Submersible Aquarium Filter, a compact yet capable system designed to support healthy water quality in larger home aquariums. Whether you keep freshwater or saltwater fish, this unit scales to 50–120 gallons and fits beneath the hood or inside the tank for a clean, low-profile setup.
Four-in-one filtration in a single compact unit
The design blends circulation, oxygenation, surface agitation, and filtration into one streamlined module. At up to 370 GPH, it moves water effectively while preserving a restful environment for your aquatic life. The 11.9-inch length and 2.3-inch width enable flexible placement in a range of tank layouts.
- Water circulation improves overall turnover and helps distribute heat evenly.
- Oxygenation supports surface contact where gas exchange happens most.
- Surface agitation enhances gas exchange and helps reduce film on the water surface.
- Filtration captures debris and impurities, contributing to clearer water.
Quiet operation you can hardly hear
With a low-noise motor and anti-vibration suction cups, this filter performs under 35 decibels. It’s fully submersible and adaptable to lower water levels, making it suitable for bedrooms, offices, or any peaceful space.
Cost-effective, reusable filtration you control
Two additional sponge layers and a built-in waste container give you room to tailor filtration. Washable sponges are reusable, and you can swap media to match your aquarium’s needs, reducing the frequency of full replacements.
- Sponges can be cleaned and reused to extend filter life.
- Built-in debris container helps manage waste before it cycles through the tank.
Tool-free cleaning and maintenance
The transparent three-stage housing lets you inspect media at a glance. Twist off the top cap, lift out the sponge, rinse, and reassemble—no tools required.
Safe, flexible design for diverse layouts
Fine-mesh intake protects small inhabitants, and the double-layer filter system supports mixing and matching media for customized performance. The unit is energy-efficient and quiet, delivering crystal-clear water with less daily upkeep.
Note: This model is designed for freshwater and saltwater tanks only and is not suitable for turtle or reptile habitats.
FAQ
Q: What tank size is this filter designed for?
A: Designed for 50–120 gallon freshwater or saltwater tanks; not suitable for turtle habitats.
Q: Is installation tool-free and how easy is maintenance?
A: Yes. Tool-free cleaning with a twist-off top cap; includes spare sponge layers for easy upkeep.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
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 you choose, 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 pound.
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