Description: Comes with a strong suction cup, sponge filter can be fixed on the wall of the fish tank and is easy to use. It can effectively filter impurities in the water without generating noise, and is suitable for 4mm water pipes. With dual effect of increasing oxygen and filtering impurities, the sponge filter can help you purify the water in the fish tank, balance the water quality, providing a fresh and clean water environment for fish and shrimp, thereby improving the life of fish. Made of premium cotton and plastic material, the sponge filter is soft, wear-resistant and durable. The length of the product is about 9cm, the width is about 7.5cm. It is suitable for the breeding and breeding of various ornamental fish and young fish, especially for colorful angelfish, small fish and fry. Item Name: Fish Tank Filter Material: Plastic,Cotton Color: Grey Features: Eco-friendly, Noiseless, Scrubbing Size Details: Length: 9cm/3.54" (Approx.) Width: 7.5cm/2.95" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1/2 x Fish Tank Filter It is suitable for the breeding and breeding of various ornamental fish and young fish, especially for colorful angelfish, small fish and fry. Comes with a strong suction cup, sponge filter can be fixed on the wall of the fish tank and is easy to use. It can effectively filter impurities in the water without generating noise, and is suitable for 4mm water pipes. It comes with a strong suction cup, which is easy to use and can be fixed on the wall of the fish tank, effectively filtering impurities in the water without generating noise, and is suitable for water pipes of 4mm diameter. Equipped with strong suction cups, easy to use, can be fixed on the wall of the fish tank, effective filtration of water impurities and no noise, suitable for 4mm water pipe. Suitable for 4mm water pipes. The sponge filter is equipped with a strong suction cup, which can be fixed on the wall of the fish tank and is easy to use, effectively filtering impurities in the water without generating noise.