4" Koi Pond Bottom Drain

Bottom drains in koi ponds enhance water quality by improving water circulation and removing bottom debris as it automatically vacuums the pond.

4" Bottom Drain Features:

• Welded FPT threaded inlet eliminates the need for rubber coupling
• Threaded center stand pipe securely attaches dome lid to base
• Sixteen stainless screws securely attach liner ring to base with water tight seal
• Heavy duty, roto-molded design offers superior strength
• Threaded 4" female inlet for use with 4" schedule 40 PVC fittings and pipe

4" Bottom Drain Instructions