Auto-clean design - hand squeeze cleaning structure. Queeze out the dirt from the sponges by squeezing and back flush to clean-out the dirt. Easy maintain.
Fully sealed design it’s allowed to place the product lower than water level. Build-in UVC lamp can kill algae, virus and harmful bacterium in the water.
Nitrate, phosphate and any unnecessary nutrient in the water may be degraded by multiple bio filter materials included.