Features: Keep your aquariums water clean with the aquariums skimmer cleaning fish tanks accessories. Consist of quality plastomer component, effectively removes oil film from the water surfaces. Wonderful for fish tanks enthusiasts and fish owner who want to maintain a healthy environment for their aquatical pet. Use it in your homes or office aquariums to keep the water clean, ensuring your fish and plant alive. With its easy-to-use and durability construction, this skimmer is a good accessory for any aquariums enthusiasts. Specifications: Color:Six Elections Dimension:20mm/ 0.78in, 25mm/ 0.98in Component:plastomer Package Includes: 1pc Fish Tanks Oil Flim Remover Device note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.