Do your fish tank or cat water fountain need submersible pumps? JR-150 and JR - 250 are the mini aquarium water pumps, they keep the water circulation for your fish and pet. As a premium-quality fish tank water pump, they're quiet in operation due to the costlier rotors with enhanced magnetism and precise structure design. And as a small cat water fountain pump, they're durable and easy to install, use and clean, no any tools needed. The environment-friendly ABS casing and robust motors make it to last. It's time to creat your own water home for your pets, get it today to have a best price!