Feature: 1. Multi Layer Filtration: We use a multi layer filtration system, 3 filter compartments, the fish filter material in each filter box efficiently purify the water quality and ensure that your pets live in clear and pristine water. 2. Oxygenating Water Wheel: The unique design of the oxygenating water wheel allows water to flow like a graceful waterfall, enhancing the aesthetics of the aquarium while effectively providing abundant oxygen for your pets, ensuring their respiratory health. 3. Quiet Running: Running at less than 30DB, this filter box operates with minimal water flow noise, so it won't disturb your pets and allows you and your pets to enjoy a peaceful filtration experience. 4. Dual Sided Suspension: Our filter box is ingeniously designed to be hung inside or outside the tank, providing you with more installation flexibility based on your preferences. 3 position adjustable buckle allows you to easily adjust the height according to specific placement needs for optimal performance. 5. Long Lasting: The filter box is made of transparent plastic material, allowing you to observe the interior condition of the filter clearly. It is also long lasting and resistant to damage, ensuring long lasting use. Specification: Item Type: Fish Tank Filter Material: Plastic. Package List: 1 x Fish Tank Filter (with 10 Accessories) 1 Pack x Filter Material 2 x Filter Cotton 1 x Plug 1 x Instruction Manual