Spencer Systems also distributes Clip products such as Clip Green CONC, a sensational cleaning powder, and Clip Presorb, a dry cleaning activator that can be used as perchloroethylene and hydrocarbon. Clip Green CONC as a drycleaning detergent concentrate contains no VOC and formulation aids. Clip Presorb on the other hand is a dry cleaning activator that serves as an additive in the pre-cleaning bath which has excellent dirt removal and superb absorbing characteristics.