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it is recommended that the unit be enclosed for weatherproofing
Included plastic manifold fits standard aquarium airline tubing 3/16th"
SKU UPC Code Description Compatible Skimmer 29530 827807295305 6" Skimmer Weir Signature Series™ 6
KnockOut™ PLUS works extremely well with pond fish species such as koi and goldfish and unlike most fish treatments
In-Line union adapter allows tool-free maintenance or replacement of probes
Fiberglass Extensions for Blue Thumb Large Pump Canyon™ Recommended it is recommended that theThese 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,
