Quality Acrylic Material:Crafted from sturdy and non-toxics acrylic,this Fish Tank Water Pump Filter is designed to last while ensuring the safe of your aquatic life Efficient Oxygenation:Oxygen Enrichment Adapter can be easily installable near the water outlet,it enhances oxygen levels in your aquarium without the need for additional power sources Friendly Operation:This Oxygen Connector device operates solely on drainage power to draw in external air,making it an energy-efficient choice for maintaining a healthy aquarium environment Convenient and Economical:Specifically designed for ornamental fish tanks,this user-friendly component offers a cost-effective solution for improving water quality Complete Package:The set includes 1 outlet,1 suction cup,1 air valve,and a 20cm air tube for the filter,providing everything you need for easy installation and for operation, Weight: 0.03 pounds, Manufacturer: mophrati