The Inflow Pipe Carries Water From The Aquarium Down To The Canister Filter The Inflow Pipes Suitable For All Type Of External Canister Filter Easy To Clean, Remove Convenient Assembly Strong>Feature: Strong> Strong>Acrylic Surface Skimmerstrong> Well Made, Would Not Hurt Fish And Shrimp The Surface Skimmer Efficiently Skims Dissolved Organics And Other Waste Material From The Wateras Surface Of Your Aquarium Strong>Adjustable Intake Flow Strong> Removable, Rotate Around To Adjust Flow 360-Degree Intake Float Is Positioned Consistently At The Surface And The Ow Control Valve Enables You To Increase Or Decrease Flow Rate To Your Filter Strong>Made Of High Qualitystrong> Give Superb Appearance To Your Aquarium Strong>Thicker Tube Wall Strong> 2Mm Thickness, More Stronger Strong>Size: Strong> 13Mm For 1216Mm (12) Water Tube 17Mm For 1622Mm (58) Water Tube Strong>Package Include: Strong> 1X Lily Pipe Inflow With Skimmer 2X Suction Cups