The Logwasher range employs high speed scrubbing to aid in the washing of aggregates in applications where dry and other deleterious contaminates are present. Powerscreen® Powerscrub Range offers high speed scrubbing of heavily contaminated material to produce cleaner material at a faster rate and in the Powerscreen® Powerscrub R Range it's specifically to remove contaminates from stone designed specifically for the washing of C&D waste.