Other Accessories: Include 5-foot airline tubing with standard 3/16" inner diameter and a check valve to prevent back siphoning of water. All help build the basic aeration setup in your fish tank. 1 Air Stone Ball: 0.8" D x 1.35" H. Small size to be easily driven by nano air pumps. Produce lots of medium bubbles to aerate your tanks and enliven the aquatic lives. Quiet Aeration: With diaphragms inside and 4 shockproof rubber feet to reduce noise and vibration, the pump gives out noise less than 45 dB like the hum of a refrigerator. Steady Output: Max air flow rate: 40 GPH; Pressure: 0.012 MPa; Power: 2 W. A strong aerator which withstands long-time use to promote oxygen supplement constantly. Compact & Light: Measures 3.3" L x 1.8" W x 1.6" H. Ideal for those who are tight on space. Suitable for 5 - 20 gallon fresh and marine fish tanks and aquariums.

Power Source: Corded Electric. Item Dimensions LxWxH: 3.3 x 1.8 x 1.6 inches. Material: Synthetic rubber. Brand: Pawfly. Color: 5 - 20 Gallons. Date First Available: June 27, 2017. Best Sellers Rank: #6,272 in Pet Supplies. Customer Reviews: 4.5 out of 5 stars 4,896 ratings 4.5 out of 5 stars. : B073DWVX5P. Style: ?5 - 20 Gallons. Part Number: ?UL224-FBA. Manufacturer: ?Pawfly. Material: ?Synthetic rubber. Color: ?5 - 20 Gallons. Brand Name: ?Pawfly. Item Dimensions LxWxH: ?3.3 x 1.8 x 1.6 inches. Package Weight: ?0.24 Kilograms. Item Package Dimensions L x W x H: ?5.55 x 3.15 x 2.52 inches.