1. ADVANCED TECHNOLOGY: Fish tank generator uses ionisation technology to produce to clean the fish tank cover, break down nitrites and restore clarity to the water. 2. CONNECTION TO AIR PUMP: Aquarium generator cannot be used in water, it needs to be used in conjunction with an air pump, a hose connection is sufficient. 3. DECONTAMINATION: Fish tank air water ozonator releases high concentrations of active oxygen every minute, actively decomposing odours, formaldehyde, nitrite and other harmful substances, quickly solving pollutants from . 4. EASY TO USE: Aquarium generator can be used continuously and can be switched off if the water is clear and started on again when the water quality deteriorates. 5. NOTE: Aquarium generator continuously maintains the water quality in the tank. It is recommended for ventilation and can be adjusted for use according to water quality.<br><br>ADJUSTABLE: Water quality is generally adjusted to a middle value of 5. To avoid water backing up in the tank, it is recommended to place the ozonator 7.9 inches above the tank level. Item Type:Aquarium Generator Use:Aquarium Machine Air Pump, Water Purification, Algae Removal Machine. Rated Power:6W Quantity:120MG Rated Power:3W Maximum Air Volume:3L/Min Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC 220V Colour:Black Material:Plastic<br><br>Package Contents: 1 x Aquarium Generator 1 x Hose<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.