Description: Material: Made of acrylic material, aquarium pump duckbill nozzle is sturdy and practical, ensuring durability and longevity.Product Size: The aquarium pump duckbill nozzle with a connecting fitting diameter of 20mm.Feature: Flat Nozzle nozzle water outlet direction 360 degrees horizontal direction can be adjusted.Function: Simulate the waterfall flow, increase the contact area between the water surface and the air, and achieve the effect of increasing .Widely Used: The Fish Tank Duckbill Nozzle is easy to use, and suitable for aquariums, fish tanks, etc. Specification: Material:?Acrylic Size Chart: Connect Diameter: 2cm/0.79inch Package Includes: 1 Piece?Aquarium Pump Duckbill Nozzle Note: Please allow slightly errors 1-2cm differences due to manual measurement.