Bottom Drains >> Koi Toilet

KOITOILET™ I    
The most versatile and complete solution
for Aerated Koi Pond Bottom Drains

Sweep bottom design to eliminate trapping debris.

Full 4" height over horizontal discharge pipe.

1" Air supply connection at the bottom through center column.

Screws are fully embedded in large and strong screw pockets.

Threaded center column for easy disassemble and maintenance.

Wide and thick flange for better liner grip.

Slanted air dome and high quality air diffuser with internal check valve function.