Denray Machine Shop specializes in manufacturing downdraft tables with an all-metal construction, ranging from 1500 CFM to 4900 CFM cartridge units with internal filter cleaning. They offer a variety of models, including tube filtration systems with a 99% capture rate at 1 micron and tables with cartridge filters capable of capturing particles as small as 0.5 microns at a 99.95% rate. Denray also provides specialty tables equipped with HEPA filters, charcoal filters, chimneys, and mufflers for controlling dust, fumes, odors, and noise levels. With almost 10,000 machines sold worldwide since 1991, Denray is known for its quality American-made products and custom design capabilities.