Karcher 8.923-682.0 Rotating Wash Brush Attachment The Karcher Promise: Cleaner. Quicker Incoming water causes inner brushes to rotate Use with or without soap & chemicals. Detergent dispenses through the brush 1/4-inch Quick Connection Fits Karcher residential gas & electric pressure washers and most brands residential pressure washers The Karcher Universal Rotating Wash Brush Kit have a 4,000 PSI & 4.00 GPM rating Includes adaptors for Karcher bayonet and threaded connections