Oxygen Pump for Fish Tanks, Mini Rechargeable Design

This rechargeable oxygen pump provides fish tank aeration in a mini format. The yj-301 is specified for 50 hours of intermittent operation, while the yj-302 and yj-303 are specified for 70 hours. The yj-303 also offers three-speed settings. Listed configurations pair each model with a 2 cm air stone, 4 cm air diffuser or 5 cm nano disc. Features • Mini fish tank oxygen pump with rechargeable power. • 50 hours of intermittent operation on the yj-301. • 70 hours of intermittent operation on the yj-302 and yj-303. • Three-speed settings on the yj-303. • Listed configurations with an air stone, air diffuser or nano disc. Why you'll love it • Rechargeable power supports repeated use. • Three-speed settings on the yj-303 allow adjustment of operation. • Model-specific intermittent runtimes help you compare options. Best for • Fish tank aeration