Description: 【Durability Material】: Crafted from PVC material, this filter media storage box is designed to be and long term use, ensuring it withstands regular use in aquatic environments 【Compact Dimensions】: With dimensions of 11.2 cm x 11.2 cm x 11.2 cm/4.41 inch x 4.41 inch x 4.41 inch, this fish tank filtration box is compact yet spacious enough to hold various types of filter media, making it a practical addition to your aquarium setup 【Versatile Storage Solution】: This Aquarium Filtration Cube serves as a versatile storage solution for your aquarium's filter media needs 【Efficient Design】: The hollow design of the box allows for optimal water through the filter media, enhancing filtration efficiency and contributing to clearer water in your aquarium 【Package Contents】: The package includes a PVC filter media storage box, ( Please note does not come with any filter media) for organizing your aquarium's filtration components effectively Specification: Material: PVC Size Chart: 11.2cmx11.2cmx11.2cm/4.41inchx4.41inchx4.41inch Package Includes: 1 Aquarium Filtration Storage Box  Note: Please allow slightly errors due to manual measurement and different monitors.