BJU1014 Features: * Clearchoice biofilter * Maintain a healthy and clear pond * Easy out of pond accessibility and simple maintenance * Mechanical pre-filter sponges remove suspended debris to improve water clarity * Bio ring media provide massive surface areas for beneficial aerobic bacteria to adhere to and multiply * Aerobic bacteria eat the ammonia toxins created by fish waste and decomposing plant materials * TetraPond internal spray systems and trickle flow technology disperses pond water slowly and evenly through the bio rings ensuring that there is sufficient oxygen to provide optimal biofiltration conditions * Interchangeable .75"" and 1"" intake fittings * 1200 gallon Dimensions: * 1.25"" drain fitting