YEE 4W Hang-on-back 3-in-1 filter

Product: YMB-401
Power: 4w
Flow rate: 350l/h
Tank size: 30cm and below
 
Feature:
Quick and easy installation, Traps dirt, removes impurities and offers maximum water to filter sponge contact.
 
QUIET & EFFICIENT: YEE Aquarium Wall-mounted Filter quietly delivers crystal clear water throughout the aquarium.
 
Adjustable Flow: The adjustable flow knob allows for increased or decreased water flow at will, which is extremely helpful during feeding times, or use it as needed.
 
Need to inject water into the filter before starting the filter so that the pump can work normally, Otherwise, the rotating impeller of the pump will be damaged if it works without water