Features: Aquarium combines and technology to rapidly impurities, odors, and harmful substances, ensuring water and effectively yellow water issues. Featuring unique Pellets and magnetic purification boosters, this cartridge accelerates organic waste , reduces water , and enhances ecosystem health. Ideal for both and experienced aquarium enthusiasts, this versatile is with freshwater and saltwater , offering across all setups. Designed for daily aquarium maintenance or water control, integrates effortlessly into canister , on back systems, and under units. Made from , , this friendly box maintains purification without compromising the safety of fish, corals, or delicate in your underwater habitat. Specifications: Size：11.2x11.5x11.5cm plastic Package Includes: Fish note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!