Small Filter, Big Waterfall Power
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A gentle waterfall filter made for tiny tanks and happy fish.
The Mini Waterfall Filter brings clear, healthy water to your small aquarium. It hangs neatly on the back of tanks up to 30 cm and keeps things fresh with smooth mechanical and biological filtration. With its safe intake design and easy USB power, it’s a friendly upgrade for bettas, shrimp, and nano tanks of all kinds.
Clean water without the fuss.
✔ Great for small aquariums and nano tank setups
✔ Easy external hanging design
✔ USB-powered for simple, low‑energy use
Fill the filter box with water before turning it on. This protects the motor and helps the filter start smoothly.
We are proud to offer duty-free, reliable, tracked shipping— delivered to your door in over 200 countries worldwide!
Below you can check our average shipping times:
Domestic USA Shipping: 2-9 business days
US & Canada: 7-18 days
Europe: 7-18 days
Europe Plus*: 8-30 days
Australia, New Zealand: 7-18 days
Hong Kong, Singapore: 7-18 days
Rest of the world: 8-30 days
*does not include processing times up to 2 business days or longer in peak periods
Primarily we ship out from fulfillment centers in the United States, Eastern Asia and Western Europe. If the item you've purchased is out of inventory in your nearest location, we'll send it directly from our production lines at the same delivery times as stated in our shipping section.
Is this filter safe for bettas and shrimp?
Yes. The extended intake sleeve helps keep small fish and shrimp safe while the gentle flow works well for calm-water species.
The filter combines mechanical and biological filtration to keep water fresh and easy to maintain.
The waterfall return helps add oxygen to the tank without stressing calm-water fish.
The protective intake sleeve helps keep tiny fish and shrimp safe during daily use.
At only 2.5W, it runs smoothly while staying energy‑efficient.
The transparent body lets you check water levels and filter media at a glance.
A compact filter made for small tanks and small fish.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Mechanical and biological filtration | ||
| Gentle waterfall flow | ||
| Protective intake sleeve for small fish | ||
| USB-powered low‑energy use | ||
| Transparent body for easy monitoring | ||
| Adjustable flow valve | ||
| Works on tanks up to 30 cm | ||
| Quiet operation | ||
| Easy external hanging setup | ||
| Safe for shrimp and nano fish |
Hang it on the back of your aquarium, fill the filter box with water, then plug in the USB power source.
It produces a soft water sound similar to a gentle trickle, which many aquarists enjoy.
Yes. The filter includes an adjustable flow valve so you can set the strength you prefer.
It works well with nano aquariums, betta tanks, and any setup up to 30 cm in length.
The extended protective sleeve helps keep tiny shrimp and fish safe during daily filtration.
A quick rinse of the media and intake sleeve every couple of weeks helps keep it running smoothly.
Yes. The gentle waterfall return adds movement that helps boost oxygen levels.
The light USB design makes it convenient for small temporary or desktop setups.
No. It works with standard small filter media, so upkeep stays simple.
