Koi Toilet Bottom Drains

Description

KOI TOILET™ II Series The Simple Solution for Koi Pond Bottom Drain Made of heavy duty injection molded PVC. Thick flange and liner ring for better liner grip. Flare design for smooth flow. Fits 3″ & 4″ Sch40 PVC Elbow or Coupling. Excellent for liner and concrete installation. KOI TOILET I w/ Aerated Bottom Drain The most versatile and complete solution for Aerated Koi Pond Bottom Drains! Features: Sweep bottom design to eliminate trapping debris. Full 4″ height over horizontal discharge pipe. Screws are fully encapsulated in large and strong screw pockets. Threaded center column for easy installation and maintenance. Wide and thick flange for better liner grip. Slanted air dome and high quality disk diffuser with internal check valve functions.