small size,portableHigh pressure and Quiet It is used for increacing oxygen automatically when Aquarium power out and fishing or increasing oxygen when transporting live aquatic pruducts,seafood Note: Please don’t put the air pump into the water,only the Air stone Power source :power bank / computer usb /Portable power source The pump core can be replaced,When the pump core has been used for a long time, You can replace this parts by yourself, The assembly is simple ，There are replaceable pump cores in our shop(ASIN: B0752MSHNW )
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