Norwalk Model 280 Hydraulic Press Juicer The Model 280 has a Vortex Triturator, a helical cutter-grinder mechanism that allows it to cut the fibers of raw foods for maximum extraction of nutrients. A Hydraulic Press extracts the nutrients from the pulp. The Model 280 combines two machines. A Vortex Triturating Head for cutting and grinding and a Hydraulic Press Stainless steel parts which are dishwasher safe. Hand assembled in the USA since 1934