BIO-FILTER

WATER FILTER WITH AN ELECTRIC PUMP THAT PUMPS WATER FROM THE BOTTOM WATER FILTERWITH AN ELECTRIC PUMP THAT PUMPS WATER FROM THE BOTTOM OF THE POND OVER THE SIDE OF THE FILTER; MAKING THE FILTER ROLL AND OF THE POND OVER THE SIDE OF THE FILTER; MAKING THE FILTER ROLL AND EXPOSING BACTERIA AND OXYGEN TO SUNSHINEEXPOSING BACTERIA AND OXYGEN TO SUNSHINE