Among newer items from Ritchie Engineering (Bloomington, MN) were the R70a recovery system with automatic switching, the R50a recovery unit for use with small to medium-sized systems, and the R100 Series with twin-cylinder, 1-hp, oil-less compressors for large commercial jobs.
Reftec International (Clearwater, FL) showed its new NanoVac, a more economical version of its full-featured Micro-Vac, but using a simplified approach involving the connection of two hoses and one valve.