Vimvins Small Aquarium Filter for 7.6–18.9 L Tanks, Self-Priming with Adjustable Flow

Vimvins Small Aquarium Filter is a hang-on-back filter for small aquariums, designed for 2–5 gallons (7.6–18.9 L) with a self-priming feature that restarts after a power outage.

• Self-priming design — automatically restarts after a power outage without needing water refilled.
• Large-capacity filter chamber — accommodates extra filter media while supporting water circulation and filtration efficiency.
• Adjustable flow rate — lets you set the filter’s flow rate.
• Quiet operation and easy maintenance — supports day-to-day use and care.
• Made for small fish, including shrimp, betta fish, and goldfish — suited to compact aquarium setups.
• Replacement cartridges are available for long-term supply — makes it easier to find Vimvins replacement cartridges.

Small aquariums need a filter sized for their setup, with features that make regular operation and upkeep manageable. This hang-on-back model is made for aquariums in the stated capacity range and is designed for small fish such as shrimp, betta fish, and goldfish. Its automatic restart feature is useful when power has been interrupted, while adjustable flow gives you a way to set the water movement from the filter.

What happens after a power outage?

The Vimvins Small Aquarium Filter is self-priming and automatically restarts after power returns without needing you to refill water. That feature removes the need for manual refilling as part of restarting the filter after an outage. It is designed to resume operation on its own once power is available.

• Automatic restart after an interruption to power.
• No water refill needed for the restart.

Can I add extra filter media?

Yes, the Vimvins Small Aquarium Filter has a large-capacity chamber that allows extra filter media to be added. The chamber design supports water circulation and filtration efficiency, with room for additional media in the filter chamber. The unit also has an adjustable flow rate, so you can set its flow to suit your aquarium setup.

• Chamber designed to accommodate additional filter media.
• Flow rate can be adjusted.

Which aquariums and fish does it suit?

The Vimvins Small Aquarium Filter is made for aquariums holding 2–5 gallons (7.6–18.9 L) and is suitable for small fish such as shrimp, betta fish, and goldfish. Compare your aquarium’s capacity with this range when choosing a filter. Its hang-on-back format is the filter type identified for this small-tank use.

• Designed for compact aquariums within the stated capacity range.
• Suitable for shrimp, betta fish, and goldfish.

How do I maintain the filter and find replacement cartridges?

The Vimvins Small Aquarium Filter is designed for easy maintenance, and replacement cartridges are available for long-term supply. Search for “Vimvins Filter” to find the compatible replacement cartridges. Its quiet operation and adjustable flow rate are additional features for everyday aquarium use.

• Replacement cartridges are available.
• Quiet operation.

This filter suits fishkeepers with a small aquarium in the 2–5-gallon range who want a hang-on-back filter with adjustable flow and automatic restart after power outages. It is designed for small fish such as shrimp, betta fish, and goldfish, with replacement cartridges available for ongoing use.

Read our guide: A beginner’s aquarium set-up checklist: from bowl to tank