Dophin · Mains
AP1301 / AP1302 Air Pump
- Air output
- 1.6–2 L/min
- Tank size
- 40–200 L
Running one or two sponge filters in small to medium tanks.

Boyu · Mains
An upright, compact air pump in single and twin outlet versions. Nothing fancy, just steady air for a sponge filter or two.
Updated
Small to medium tanks running one or two sponge filters or air stones.
| Model | Air output | Outlets | Power | Dimensions (L × W × H) | Output |
|---|---|---|---|---|---|
| SC-3500 | 3.2 L/min | 1 | 2.5 W | 7.5 × 5 × 12 cm | – |
| SC-7500 | 6 L/min | 2 | 3.5 W | 9.5 × 7 × 14.2 cm | 2 x 3 L/min |
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.
Dophin · Mains
Running one or two sponge filters in small to medium tanks.
Dophin · Mains
A single small sponge filter or air stone in a nano tank.
Dophin · Mains
A sponge filter in a shrimp tank where you want to turn the bubbles down.
Dophin · Mains
Running a sponge filter in a shrimp or nano tank.
Quick answers about the Boyu SC Series Air Pump, drawn from its specs.
Small to medium tanks running one or two sponge filters or air stones.
Other air pumps worth comparing: Dophin AP1301 / AP1302 Air Pump, Dophin AP1500 Air Pump, Dophin AP1501 / AP1502 Air Pump. Add any of them to the compare table to see the specs side by side.
2 options: SC-3500, SC-7500.
Tap Compare on this page and on any other air 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.