Feature: 1. The new V‑1 filter material can be attached with various microorganisms on the . Through continuous rolling, the filter material can collide with each other, playing the function of self‑repair and regeneration of the filter material without changing the filter material.2. Our filters are equipped with suckers to make sure a stable installation of the product, easy to install and disassemble, so they can be used wherever needed. 3. It is equipped with detachable filter cotton, which can be easily replaced to solve the cleaning problem more easily. 4. Imitating the natural riverbed, sand and gravel roll along the riverbed with the water, play a role in the purification of water quality. 5. This fluidized bed filter fits for both and saltwater tank, perfect to be used for all types of tanks. Specification: Condition: 100% Brand New Package List: 1 x Fluidized Bed Filter4 x Suction Cup Note: 1.If the air pump is below the water , please install a check valve 2.Fluidized bed filter material is floating at the beginning, need to soak water 1‑2 days to achieve suspension rolling |