3 Bag Bubble Diffuser Sandstone Aeration Stone 25mm for Aquarium Fish S Pump

The outlet area is large, the oxygen is evenly increased, the bubbles are refined, and the oxygen content is good. The is frosted, fine and and has a richer hand feel, and the venting is even. Can increase oxygen content, reduce carbon dioxide, helps aquarium purification. Conditon: 100% Brand New Item Type: Stone Material: Bubble Stone Color: As Pictures Shown Application: Used for oxygenation of aquarium fish Diameter: Approx. 2.5cmCelsius1.0in Height: Approx. 4cmCelsius1.6in Product Quantity: 3 Bags(2 PcsCelsiusBag)