Features: brand new and high quality Can be used to remove the oil film on the water surface. The inlet of the cyclone separator is more conducive to removing the oil film, which is quiet and no noise. Easy to install, easy to operate, small and light, easy to carry and store. The quiet filter system is especially suitable for breeding small fish. Effectively remove toxic substances and wastes, thereby maintaining clean water quality and keeping your fish safe. Made of high-quality transparent glass material, strong, durable and long service life. The filter combines the physical and biochemical filtration of fish to increase the solubility of oxygen. Package Includes: 1 Piece Aquarium Oil Skimmer 1 Piece Control for Valve Specifications: Material: Glass Color: Transparent Size (Approx.): 4x14cm/1.57x5.51in, Tube Outer Diameter 17mm/0.67in Weight: Approx.25g note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!