Smart Sonic systems are the only stencil cleaners verified for specific parameters of environmental safety, user safety and cleaning efficiency by the U.S. EPA�s Environmental Technology Verification (ETV) Program (see �http://www.epa.gov/NE/assistance/ceit_iti/tech_cos/smartsonic.html� for more information about the ETV Program). The Model 1550 is also guaranteed to safely clean any type of solder paste from any fine-pitch stencil! Other applications for the Model 1550 include cleaning misprinted PCBs, SMD adhesives, pallets and oven radiators. For more information about the Smart Sonic Stencil Cleaning Process, visit our web site: �www.SmartSonic.com�.