Description: 【Material】Made of pp material, comes with suction cup for easy installation on your aquarium. With surface oil film treatment function, easy to clean. 【Large Overcurrent Area】This feature helps to alleviate local suction and prevent passing fish and prawn from being sucked in. 【Adjustable】The inflow flow at the bottom is adjustable, and the water level of the oil absorption film can be controlled, which is convenient for filtering and isolating impurity water and prevent fishs and from inhaling. 【Low Flow Requirement】The oil film removal module only requires a flow rate of 300L/H for operation, making it energy-efficient. 【Package Includes】Each set comes with 1 oil film remover outlet, 1 high-flow water inlet, and four card-type suction cups with dimensions of 260mm*38mm for the outlet and 180*38mm for the inlet, inflow and outflow filters tubes are designed to create the ideals flow of water for growth.80 Size Chart: Outlet 26cmx3.8cm/10.24inchx1.50inch Inlet 18cmx3.8cm/7.09inchx1.50inch Package Includes: 1 Lily pipe inflow 1 Lily pipe outflow 4 suction cups Note: Please allow slightly errors due to manual measurement and different monitors.