Fiberglass Extensions for Blue Thumb Large Pump Canyon™ Recommended Koi Toilet I Bottom Drains

Koi Toilet I Bottom Drains are a versatile and complete solution for aerated Koi pond bottom drains

and 12V transformer

Included plastic manifold fits standard aquarium airline tubing 3/16th"

In-Line union adapter allows tool-free maintenance or replacement of probes

A liner-based kit is much more effective in managing the splash zone and water loss than a rigid-basin set-up

Fiberglass Extensions for Blue Thumb Large Pump Canyon™ Recommended Koi Toilet I Bottom DrainsThese fiberglass extensions for the Blue Thumb (formerly PondBuilder) Elite Large Pump Canyon are constructed in both hoop and helical wrapped fiberglass, providing maximum strength and rigidity. Only for use with Blue Thumb Large Pump Canyon ALL fiberglass extensions require split lid SKU Description BP00405 Fiberglass Extension, 18" x 18" BP00406 Fiberglass Extension, 18" x 24" BP00407 Fiberglass Extension, 18" x 36" BP00417* Fiberglass Extension,