100% brand new and high quality Features: Ultra Quiet: Made of ABS thickening plastics, super silent aquarium air pump. Soft rubber foot pads, further palliation for noise. Adjustable Knob: You can adjust air flow rate with the knob to control the outlets. Long Service Life: Manually adjustable air volume, won't cause shakes and electric field fluctuation, much safer than electronic adjustment, lower failure rate. Wide Application: Perfect for indoor or outdoor use in Freshwater or Marine aquariums. Ideal for small and medium-sized fish tank plus oxygen. Fish Tank Ultra Silent Air Pump only,other accessories demo in the picture is not included. Specification: Material: ABS Optional Packing Size: 718, 728, 768, 868, 968/988 718 Packing Size: app.12.2x7.5x5.4cm/4.80x2.95x2.13in 728 Packing Size: app.13.5x6.6x8.5cm/5.31x2.60x3.36in 768 Packing Size: app.17x10.5x7.8cm/6.69x4.13x3.07in 868 Packing Size: app.19.3x11.5x8.3cm/7.60x4.53x3.27in 968/988 Packing Size: app.23x17.6x9.5cm/9.06x6.93x3.74in Color: White Plug Style: EU(220V), US(110V) Optional Style: 718, 728, 768, 868, 968, 988 Quantity: 1 Pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Contents: 1 x Fish Tank Ultra Silent Air Pump