<b>Features:</b><br/>This device needs to connect filter barrel inlet pipe to use.<br/>Help effectively filter the protein, oil film and the floating dust.<br/>Two types of connector, provide more selection for the daily use.<br/>Water flow controllable and adjustable with bottom water inflow regulation system.<br/>Exit pipe sponge filtration, protect the fish and shrimp from getting hurt.<br/>Made of acrylic, durable and eco-friendly.<br/><br/><b>Specification:</b><br/><b>Color:</b>Transparent<br/><b>Material: </b>Acrylic<br/><b>Total Length:</b> 170mm/6.69"<br/><b>Floating Head Length:</b> 105mm/4.13"<br/><b>Connector:</b> 12/16mm & 16/22mm<br/><b>Application:</b> Filter the protein, oil film and the floating dust<br/><br/><b>Note:</b><br/>Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.<br/>Thank you for your understanding, nice day!<br/><br/><b>Package Including</b><br/>1 x Acrylic Protein Skimmer