Aquarium Equipment -Aquarium Surface Skimmer Highlights Generic Brand Aquarium Surface Skimmer Description: Two kinds of inlet diameter: 13, 17 The inlet and outlet filter pipe designed to make the idealistic water flow for plant growth. It makes an elegant curved line in the box-shaped aquarium, the transparency makes your aquarium look great. The adjustable flow is fast and efficient. Effectively remove aquarium and aquarium surface oil.Provide a cool and healthy environment for fish to breathe. specification: Material: glass Color: clear Size - 13: Inlet: 13mm; Outlet: 56mm; Height: 180mm; Inner size: 50mm; Suitable aquarium: 30-90cm Package includes: 2pcs Aquarium Surface Skimmer Set Note: Since the above size is measured by hand, the size of the actual item may be slightly different from the actual item. size above. Due to lighting effects, monitor settings etc. slight difference in the color tone of the pictures and the actual item.