Fish Tanks & Supplies

YWBL-WH Solar Driven Oxygen Water Intake Pump for Aquariums, Fish Enthusiasts and Ornamental Fish, 3.7 V 4000 MAh Lithium Battery, Ideal for Emergency Oxygen, USB Load [Advanced Technology] -Equipped with a 6 V 3.5W solar panel and a 3.7 -v -v -4000 -mah -lithium battery, this oxygen ensures efficient charging in different environments. The USB loading option enables quick charging in just 5 hours. [Calm... YWBL-WH Solar Driven Oxygen Water Intake Pump for Aquariums, Fish Enthusiasts and Ornamental Fish, 3.7 V 4000 MAh Lithium Battery, Ideal for Emergency Oxygen, USB Load