Features: 1.SAFE MATERIAL: The aquarium pump duckbill water outlet is made of PVC, which is safe, non toxic, durable and does not oxidise easily. 2.GOOD WATER CIRCULATION: The sleek internal surface of the fish tank pump duckbill water outlet ensures good water circulation. 3.EASY TO USE: Fish tank duckbill sprinkler with air hose connection hole for connection to air hose or for use with other accessories. 4.OXYGENATING FUNCTION: Aquarium pump duckbill water outlet has an oxygenation function, which allows the fish tank to be aerated while the water is being discharged. 5.MULTIPLE CONNECTION METHODS: Fish tank duckbill sprinkler with tight connection and no water leakage, multi angle adjustment, various connection methods. Specification: Item Type: Aquarium Pump Duckbill Nozzle Material: PVC Use: Fish tank spout with duckbill nozzle Size: Length: Approx. 90 mm/3.54in Width: Approx. 30 mm/1.18in Thread Inside Diameter: Approx. 16 mm/0.63in Thread Outer Diameter: Approx. 20 mm/0.79in PackageList: 1 x AquariumPumpDuckbillNozzle Note Please allow for some errors in manual measurements.