3 in1 Aquarium Fish Tank Filter Water Pump Internal Purifier Filter…

Min-Size: 11cm x 7cm x 4cm-Tube Length: 2M(it can be cut into 2 tubes) Features&Specifications-Oil-free compressed air pure-High-performance, large volume, this section is ideal for small and medium-sized fish tank plus oxygen-Low-power, economic power-saving, Continuous operation and long service life-Double-headed pump, there are two vents , can provide oxygen to two fish tanks at the same timeNOTE:In order to avoid water flowing backwards, the air pump should be putted above the water more than 20CM or install the check-valve on the outlet pipe. Package Includes-1/2pc x aquarium air pump