Small air pump for aquarium

Product information:

 Air pump
Specifications: Flat Insert Risheng RS-290-Single Hole-3W, Flat Insert Risheng RS-390-Double Hole-5W, Round Insert Risheng RS-290-Single Hole-3W, Round Insert Risheng RS-390-Dual Hole-5W
Product name: Risheng oxygen pump
Packing list: One oxygen pump
Product Specifications: 10.5×5×4.5CM, 10.5×7.5×5CM
Commodity voltage: AC220V/50Hz
Power: 3w, 5W
Air volume: 1.2L/min, 4.5L/min

Packing list:

One oxygen pump*1