Aquariums Water Fish Tanks Mount Holder Inflow Outflow Stretcha

Features: Suitable for most fish Tanks(0-52mm thick). Suitable for water that outside diameter for 16mm and inside diameter for 12mm. Can be stretchable and convenient to install. Not easy to fall out and durable. Convenient for cleaning fish Tanks. Specifications: Component: Acrylic Type: Stretchable Color: As pictures shown Length: (3.35in) Width: (1.77in) Height: (2.56in) Package Includes: 1 x Water Holder note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.