Boyu · Water / return pump
FP Series Submersible Pump
- Flow
- 300–1,350 L/h
- Power
- 5–19 W
Adding gentle, spread-out circulation to a medium tank or powering a simple internal filter.

SunSun · Water / return pump
Tiny pumps from 200 to 800 L/h, used in desktop tanks, small fountains and DIY nano filters. The smallest are under 4 cm across.
Updated
Nano tanks, all-in-one rear chambers and small DIY projects.
| Model | Flow | Max head | Power | Dimensions (L × W × H) | Outlet adapters | Cable |
|---|---|---|---|---|---|---|
| HJ-111 | 200 L/h | 0.5 m | 2 W | 4 × 3.8 × 3.2 cm | 8/13mm | 1.5m |
| HJ-211 | 200 L/h | 0.5 m | 2 W | 3.8 × 3.7 × 3.2 cm | 8/13mm | 1.5m |
| HJ-311 | 300 L/h | 0.6 m | 2 W | 5 × 4.4 × 3.6 cm | 8/13mm | 1.5m |
| HJ-411 | 300 L/h | 0.6 m | 2 W | 5 × 4.4 × 3.6 cm | 8/13mm | 1.5m |
| HJ-611 | 450 L/h | 0.9 m | 6 W | 6.4 × 5.3 × 4.5 cm | 12mm | 1.5m |
| HJ-531 | 350 L/h | 0.6 m | 5 W | 6 × 4.2 × 6 cm | 11mm | 1.5m |
| HJ-731 | 550 L/h | 0.9 m | 10 W | 7 × 5.2 × 6.7 cm | 13mm | 1.5m |
| HJ-931 | 800 L/h | 1.3 m | 18 W | 8.6 × 5.6 × 7.2 cm | 13mm | 1.5m |
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Boyu · Water / return pump
Adding gentle, spread-out circulation to a medium tank or powering a simple internal filter.
Boyu · Water / return pump
Undergravel plates, sump returns or DIY top filters that need decent head in a narrow space.
Boyu · Water / return pump
Anyone needing a cheap general-purpose pump for circulation, a DIY filter or a small sump return.
Boyu · Water / return pump
Small sump returns, DIY filters and general water moving jobs around the fish room.
Quick answers about the SunSun HJ Mini Submersible Pump, drawn from its specs.
Nano tanks, all-in-one rear chambers and small DIY projects.
Other pumps worth comparing: Boyu FP Series Submersible Pump, Boyu PGB Series Submersible Pump, Boyu SP-100 / SP-101 Series Powerhead. Add any of them to the compare table to see the specs side by side.
8 options: HJ-111, HJ-211, HJ-311, HJ-411, HJ-611, HJ-531, HJ-731, HJ-931.
Tap Compare on this page and on any other pump you are considering, then open the compare table. It lines up every published spec side by side and lets you pick the size of each product.