Venturi Aerator Nozzles: We are prequalifying Venturi Nozzle manufacturers and have identified the Eco2 and Ecomat as high potential Venturi nozzle models. Does anyone in the group have any experience with these particular nozzles? The nozzles are made in Italy and the price is extremely competitive. http://www.acquaecoremedy.com/en/eco2/ http://www.acquaecoremedy.com/en/ecomat/