A great versatile Aerated Bottom Drain Koi Toilet I for Koi ponds and hybrid ponds. This is the same bottom drain The Pond Digger Construction Team installs professionally in the field.
Sweeping bottom design eliminates trapped debris
Full 4″ height on the horizontal discharge pipe
1″ Air Dome supply connection in the bottom reducing back pressure on your air pump
Screws are completely embedded in screw pockets
Threaded center column for air dome for easy disassemble and maintenance.
Thick, wide flange for optimal liner grip on the seal.