Brand new never used. If you look to the lower left side of the unit, there is a custom ph probe port that Bill Wann installed for me. I already have an 8" reactor and do not need this one. Asking $1100 for curbside pick up in Plano TX or I am willing to ship for an extra $60. The original foam injected box is behind the reactor in the picture, this should protect the reactor from any damage during shipping.
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