Feature: 1. Improve Water Quality: Aquarium filtering canister adopts fish waste isolation box design, isolate impurities and waste, effectively improve water quality, suitable for fish tanks and aquariums. 2. Multi Layer Filtering: Multi layer filtration design, the filter cotton can better adsorb the impurities, with internal filter propeller, anti seize, also has stronger waves making function. 3. Suitable for Various Tank Sizes: This internal filter is suitable for fish tanks within 120CM, accommodating a wide range of tank sizes. 4. Silent Operation: Strong suction, low noise, silent operation, will not disturb the fish, need to connect the air pump (does not contain) to use, not recommended for use in fish tanks with sand. 5. Environmentally Friendly and Safe: Aquarium filter canister is made of plastic material, environmentally friendly and safe, easy to replace, suitable for all types of water, no effect on water quality. Specification: Item Type: Aquarium Multifunction Internal Filter Material: Plastic Usage: Fish Tank Filtration Decomposition Fish Toilet Applicable Fish Tank: Within 120cm / 47.2in Recommended Matching Air Pump: around 8W Size: Approx. 35 x 6.8cm / 13.8 x 2.7in. Package List: 1 x Aquarium Filter Canister Note: 1. Use must be below the water level by 3cm / 1.2in or less, used with an air pump (not included).2. Please allow some error due to manual measurement.