Material: This device is made of high-quality ABS plastic, excellent workmanship, strong and durable. Low noise: motor operation will not bring noise, will not affect life and mood. Adjustable flow valve: Water flow is adjustable and dissolved oxygen is used for biological growth. Suitable for fish tank, straw tank, to meet your various needs. Three-in-one multi-functional filter: Aquarium filter with filtration, oxygen absorption, oil film and other functions, ultra-thin filter design provides a variety of functions, suitable for your fish tank. Filter plate design: can increase the filtration space, but also to clean the tank of fish feces, creating a clean environment for your lovely fish. Date First Available July 15, 2024