HEEPDD Aquarium Air Pump Biochemical Sponge Filter, Fish Tank Air Pump Filtration Black Foam With Suction Cup(Single Head Filter)

• 【Increasing Oxygen】The dispersed gas will generate a large number of bubbles, thereby increasing the solubility of oxygen in water.
• 【Safe Material】Our fish tank sponge filter is made of high-quality plastic, safe, odorless, non-toxic, environmentally friendly and durable.
• 【Multi-Layer Design】Our sponge filter has a multi-layer design and manufacturing principle, has the largest surface area, and has no obstruction to water.
• 【Mute Design】The filter has no noise during operation and can bring you a quiet environment.
• 【Customer Satisfaction】If you have any problem or any suggestion, please contact with our customer service, and our service team is always ready to offer help. You can get a full refund if you are not satisfied.twenty gifts under $20

Specification: Condition: 100% Brand New Item Type: Aquarium Internal Filter Material: Plastic + Sponge Color: Black Optional Type: Single Head Filter, Double Head Filter Single Head Filter Size: Approx. 9 * 14cm / 3.5 * 5.5inch Double Head Filter Size: Approx. 14 * 14cm / 5.5 * 5.5inch Package Weight: Approx. 60~85g Package Included: 1 x Aquarium Internal Filter With Suction Cup Only Note: 1. Before use, soak with aquarium water for 5 minutes, will be easy to nitrify bacteria to form colonies. 2. Rinse the sponge must use aquarium water, do not use hot water.