One has been opened to check the contents. Price for a set of two! I think it's a great deal! Please comment if you want to buy a single item. For fishing, for aquariums, etc... Air pump, air pump, bubbler pump, bubbler, fishing, aquarium, rechargeable USB pump, quiet, silent, for fishing, waterproof, for goldfish, fishing gear SOBO air pump with a maximum output of 6L/min, AC/DC compatible and waterproof. - Model name: SB-228 - Maximum output: 6L/min - Brand: SOBO - Power type: AC/DC - Sound pressure level: 70dB - Waterproof performance: Waterproof Thank you for viewing.