Features: Achieve optimalwater filtration with these inlet/outlet pipe for your fishtanks. Crafted from quality StainlessSteel, pipe is great for longlasting performances. Great for fishtanks enthusiasts of alllevels, from novices to experienced hobbyists. Install this useful accessories to improve the cleanliness of your aquariums. Create a great environment for your fishtanks with our noisefreeoperation. Specifications: Product Dimension: As pictures shown Material: StainlessSteel Style Option: 01(Water Inlet Pipe, 12mm, 20cm)/02(Water Inlet Pipe, 12mm, 30cm)/03(Water Inlet Pipe, 16mm, 20cm)/04(Water Inlet Pipe, 16mm, 30cm)/05(Water Outlet Pipe, 12mm)/06(Water Outlet Pipe, 16mm) Package Includes: Style 01: 1x Water Inlet Pipe Style 02: 1x Water Inlet Pipe Style 03: 1x Water Inlet Pipe Style 04: 1x Water Inlet Pipe Style 05: 1x Water Outlet Pipe Style 06: 1x Water Outlet Pipe note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actualcolor of the item.