Feature:1. Mini oxygen pump, compact and flexible, suitable for small fish tank.2. Simple to use, even bubbles can effectively integrate oxygen into the water.3. Quiet design, quiet and no noise, does not affect your rest.4. Three layer filtration clear water, purify more thoroughly.5. Adopt high quality plastic and rubber material, durable in use. Specification:Condition: 100% Brand NewItem Type: Mini Air PumpMaterial: Plastic + RubberColor: As Pictures Shown Product Size: Length: Approx. 9 cm/3.5 inDiameter: Approx. 2 cm/0.8 inPipe Diameter: Approx. 0.6 cm/0.2 inWeight: Approx. 165.0gSuitable for pet type: For fish tank and aquariumProduct Function: A small pump for supplying oxygen to a fish tankPackage List:3 x Mini Air Pump 3 x Filter Cotton3 x HoseNote:1. Please allow 1‑3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.