Fiberglass Extensions for Blue Thumb Large Pump Canyon™ Summit Chemical Before applying

Before applying

It’s a product that provides aeration

The HP-20 through HP-80 use robust diaphragms and mined Ferite magnets

while the feet are 17" wide

The Sequence® Model 4000 Series has an expansive design that can perform on all levels

Fiberglass Extensions for Blue Thumb Large Pump Canyon™ Summit Chemical Before applyingThese 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,