Product Description Improve aquarium aeration with this air pump diffuser, commonly known as an air stone diffuser. Connected to an aquarium air pump through standard airline tubing, the diffuser spreads the airflow across its porous surface to produce a steady stream of fine bubbles. This helps improve water movement and gas exchange while creating gentle, even aeration throughout the aquarium. Key Features Produces fine, evenly distributed air bubbles Helps improve oxygen circulation and gas exchange Promotes gentle water movement Connects easily to compatible aquarium airline tubing Suitable for freshwater and marine aquarium setups Ideal for fish tanks, shrimp tanks, breeding tanks and filtration systems Simple to install, use and replace How to Use Connect the diffuser to the air pump using compatible airline tubing, then place it inside the aquarium. For best performance, allow the diffuser to soak in water briefly before use. Package Includes 1 × Aquarium Air Diffuser Important Notes Air pump and airline tubing are not included unless stated otherwise. Bubble output depends on the air pump capacity, tubing condition and water depth. Clean or replace the diffuser when airflow becomes weak or uneven. Please check the connector size before placing an order.