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 disassembly and maintenance.
- Wide and thick flange for better liner grip.
- Slanted air dome and high quality air diffuser with internal check valve function.
||KoiToilet 1 4-inch Bottom Drain with Air Diffuser
||Koi Toilet 1- 3-in. with air diffuser
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