Clearance Air Pump under $7,USB 13W Water House Submersible for Pumping Tank Fish 3.59V Aquarium Garden Tools & Home Improvement 2PC

USB Pump Submersible Water Pumping for Aquarium Fish Tank Garden House DC 3.5-9V 1-3W
product description
The submersible powered by USB turns the still water into running water and provides a better living environment for fish
Use the adjustment knob to adjust the water flow, so there will be no problem of too high or too low water flow
No longer a traditional plug, but a more usable USB interface, you can insert almost anything (mobile power, laptop, USB socket, etc.) through the USB interface
DC3.5V-9V, submersible centrifugal pump, two suction cups on the side can be installed vertically or horizontally
Small water features used to maintain and raise water tanks or require reliable water delivery, circulation or flow
Products include
1 X water pump