Low noise
Energy saving
Waterproof
FEATURE
Electronic stepless adjusting device;
Built-in labyrinth airflow buffer,work smoothly and silent;
Novel design and nice outline.
Low power consumption air pump
U-2800/3600/9900
SC-3500/7500
Low noise aquarium air pump
S-500/1000/2000/500A/1000A/2000A/4000B