Features: The large pond filter inlets effectively prevents fish from entering skimmers while maintaining better water clear in seafood pond with its advanced surfaces filtration system. Use selected plastic, this anticlogging pond accessory features a specializing design to block debris, duckweed, and floating contaminants without frequent maintenance. Great for water enthusiasts maintaining ornamental fish pond, water garden, or commercial seafood farm requiring great surfaces level filtration solution. Installs effortlessly in garden pond, outdoor water features, or aquaculture systems to sustain balanced ecosystems by continuously filtering surfaces impurities. This multiuse pond filter tanks component optimizes water circulations to enhancing oxygen level, supporting healthy fish growth and thrivings water environment year round. Specifications: Component: Plastic Size: Approx. 01 size 16.5x50cm/6.5x1.97inch, 02 size 18.5x7.50cm/7.28x2.95inch, 03 size 20.5x9cm/8.07x3.54inch, 04 size 22.5x11cm/8.86x4.33inch Type: 01/02/03/04 Package Includes: 1PC Pond Filter inlets 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 the item.