EA Performance Hang-On Back Filter for 4-Gallon Desktop & Betta Tanks | Encompass All

Compact filtration for small tanks

Meet the EA Performance Hang-On Back Filter, a compact solution designed for nanos, betta bowls, and small desktop aquariums up to 4 gallons. Its slim profile fits neatly behind a monitor or on a shelf, while the steady flow creates a gentle current that keeps surfaces clear and your view unobstructed by debris. The result is a crisp, readable scene with visible water movement that signals a healthy, active environment.

Two-stage filtration for clear, balanced water

The dual-stage design blends mechanical and biological filtration. Mechanical filtration traps floating particles, while biological filtration supports beneficial bacteria that help maintain stable water quality. Together, they contribute to a clearer appearance and steadier water parameters in compact setups.

• Designed for nanos, betta, and desktop aquariums up to 4 gallons.
• Dual-stage filtration combines mechanical and biological filtration for a clean, healthy habitat.
• Plug-and-play design for quick setup and simple maintenance.
• Ultra-efficient filtration that supports a vibrant aquatic display.

Origin note: Not made in China. This attribute reflects a manufacturing choice that some shoppers value for consistency and sourcing. The unit emphasizes straightforward operation and dependable performance in smaller tanks.

Easy setup and ongoing care

• Plug-and-play installation reduces setup time and fuss.
• Low-maintenance operation with straightforward media changes when needed.
• Compact footprint ideal for nanos and desktop tanks without crowding the glass.

Whether refreshing a betta habitat or upgrading a compact desk aquarium, this filter offers a practical, no-frills filtration option. For best results, pair with regular water testing and appropriate tank mates to monitor clarity and overall health of your aquatic space.