1.Even all the products have been checked and tested that they are qualified and well packaged with the new durable packaging.
But still some products may damaged through the long-distance shipment.If you have any problems about our product，please send your message to us at first time！
2. As this aquarium pump is submersible, and need to be put into water fully before power on to avoid the aquarium pump burning out. Prohibit no-load running.
It would shorten its lifespan and lead tomaking loud noises when running in the air for long time, Whenchanging water, please disconnect power supply.
3 .If the product suddenly stop working or make noises, which may caused by debris blockage. Please clean it regularly about once every two months.
4 .Insufficient power and insufficient frequency would affect the fountain pump’s flow rate.
【Must be Fully Submerged】
【Mini Size Aquarium Water Pump】
【Ultra Quiet Design Fountain Pump】
【Adjustable Flow Rate Aquarium Pump】
【Easy to use & Clean Water Fountain Pump】
1 * Mini USB Submersible Water Pump