5 Inch Mosmatic rotary arm is the standard replacement for the 21" Contractor (BIG)

PWO: 1" keyed shaft

Suttner Non-Rotating "Compressor" Sewer and Drain Nozzle 1/8 Inch Thread

Brand of Three-Way Valve may vary from the photo based on availability

Karcher Mississippi Water Recovery System features_6-to-12-inch-pipe 5 Inch Mosmatic rotary armThe Mississippi Recovery System collects and transfers wash water to a separate holding tank. Its compact footprint and integrated mounting provisions allow it to be incorporated into mobile and trailer mounted wash water recovery systems. Technical Specifications Specification Rating Manufacturer Part Number 1. 103 516. 0 Application Oil free wash water recovery and transfer Recovery Transfer Rate Up to 30 GPM Recovery Tank Capacity 27 gal. Vacuum