Aquarium U-V Filter for 10-40 Gallon 132 GPH Swirl Turbo Design Submersible Internal Fish Tank Filter w/ Cycle Timer Quiet Power Pump Air Supply Green Clean Machine Saltwater Freshwater Green Killing 4 in 1

Adjustable fine bubbles-Gentle for Fish: Adjustable airflow can meet different air supply needs; IPX8: U-V light housing will not leakage. You can lay down the filter in low water level tanks

Keep crystal clear

• Stage 1: Swiftly and effectively clear cloudy odorous smelly and milky water.
• Stage 2: The built-in 254nm U-V light further diminishes odor and eradicates green water
• Swirl turbo design for superior cleaning: Compared with other filters we added a white plastic slot designed by ourselves. Water spiral up features a twist flow design increase water exposure to U-V light adequate contact making pump and filter system more effective
• Double filtration-the Lamp & Sponge can be Used Together: but for very dirty water take out the sponge to let the U-V lamp fully contact the water for better results
• 4-in-1 multi-function: Save Time & Effort. Green killing reduce odor quiet air supply pump wave maker aqurium water pump & filter. No additional components are required. You can unplug the air tube as a water pump
• Automatic-daily-cycle timer: U-V lamp and pump operate separately. Set its working time to 3/6/12/24 as needed. It will auto-off after working for the correspondingly set duration and repeat the cycle daily without manual adjustment
• 6-month after-sales support: You can contact us first with any questions or problems