With EHEIM reelexUV+e you reduce or eliminate germ contamination and eliminate turbidity in the water.Now with WiFi controls.reelexUV+e is the WiFi-controlled next step of the proven EHEIM UV clarifier reelexUV.The principle of the patented reflector technology (with significantly increased germicidal UV-C radiation) has remained the same.While in traditional UV purifiers the water flows via diversions beyond the UV-C burner, in the EHEIM reeleflexUV+e it takes a more direct route.This results in no loss of power and saves energy, being twice as efficient.The reeleflexUV+e can be paired with other products from the EHEIM Digital family and can be controlled via WLAN-enabled devices (smartphones, tablets, notebooks etc.).For example, you can select different modes, determine times and pauses and even switch to booster mode in case of heavy pest infestation.The reelexUV+e should be used as a filter holder to reduce small organisms (germs, algae spores, etc.) in the aquarium.4 models are available for aquariums from 300 to 2000 litres.As always, this comes with EHEIM's "Made in Germany" guarantee, guaranteeing the best manufacturing and material standards