WS KOITOILET I Aerated Bottom Drain 4 in.

KOITOILET I

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.