The KOITOILET I is the most versatile and complete solution for Aerated Koi Pond Bottom Drains.

The Koitoilet I has a sweep type bottom design to eliminate trapping debris. Also the Koitoilet I has a full 4" height over horizontal discharge pipe.

• 1" The air supply connection on the Koitoilet I is at the bottom through center column.
• Koitoilet I's screws are fully encapsulated in large and strong screw pockets.
• Koitoilet I threaded center column makes for easy disassemble and maintenance of the Koi Toilet I.
• Koitoilet I has a wide and thick flange for better liner grip.
• Koitoilet I has a slanted air dome and high quality air diffuser with internal check valve function.
• Air diffuser will work with 25 lpm air pump, but 40 lpm is recommended (per drain).