【IMPROVE WATER ENVIRONMENT】All you need to do is put the water pump into a water tank, the water will start flowing and provide living water for life under -Marine. The water pump can easily increase dissolved oxygen in water and grow nitrifying bacteria, which is helpful to keep water clean. 【ADJUSTABLE WATER FLOW RATE AND 2 NOZZLES 】The adjustable switch on the aquarium pump makes it easy to adjust the water flow. The maximum water flow: 1100L/H. The maximum lifting height: 2m. 2 x 16mm/19mm nozzles available for you. 【DRY FIRE PROTECTION FUNCTION】Our 48 hour aquarium pump. can withstand long dry burning. With the small pond pump, you don’t have to worry about the lack or no water in your aquarium when you take a short trip. Note: It is better to avoid dry burns. 【QUIET AND SUPER EXTRACTION】4 strong suction cups of the pond pump fit vertically and horizontally on the glass surface. The water pump is not only easy to hide, but also easy to use. Due to the quiet operation of the