The Long-Long Air Diffuser by Hobby is an elongated aquarium air stone designed to create a uniform curtain of fine bubbles across its length. This extended diffuser provides efficient oxygenation and circulation for aquarium environments. Key features: • Extended length design for wider bubble distribution • Creates fine, uniform bubble curtain • Durable construction • Easy to install and maintain • Suitable for freshwater aquariums This air diffuser requires connection to a standard aquarium air pump (sold separately). For optimal performance, place horizontally along the back wall or side of the aquarium. Regular cleaning is recommended to maintain consistent bubble output. The long design makes it particularly effective for larger tanks or situations requiring extensive aeration coverage.