Photo 1 of 2 IN 1 Auto Top Off & Auto Drain System with Function Switchable, Preset Drain/Refill Function, Auto Start/Stop, Smart Water System with Pump, Fit for Saltwater &Fresh Aquarium/Tank, 6.5ft Tube

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Photo 1 of 2 IN 1 Auto Top Off & Auto Drain System with Function Switchable, Preset Drain/Refill Function, Auto Start/Stop, Smart Water System with Pump, Fit for Saltwater &Fresh Aquarium/Tank, 6.5ft Tube