Product Description
KOITOILET I Aerated Bottom Drain 4" w/ Disc Diffuser
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.
