In 1886, Robert Bosch founded the "Workshops for Precision Engineering and Electrical Engineering" in Stuttgart, Germany. Since then, Bosch has grown into a global leader through its dedication to innovation and quality engineering. Bosch is one of the companies with the most patent applications worldwide. Today, Bosch operates in almost 50 countries on every continent through subsidiaries and associated companies. All around the world, the Bosch name stands for innovation, quality and product diversity. With attractive styles ranging from traditional to contemporary, Bosch ventilation products are not only kind to the nose, but a treat to the eyes as well. Whether you choose an updraft or a down draft system, they simultaneously make a strong design statement while integrating seamlessly with your other Bosch products to keep your kitchen functioning beautifully. Custom Ventilation Inserts Bosch's new custom ventilation insert, featuring a 400 CFM dual inlet blower, is ideal for installation in custom applications while effortlessly blending in with the rest of the kitchen design. Available in a 29" model, the insert conveniently features dishwasher-safe filters that are easy to remove and clean, a concealed slider control that is simple to operate and halogen surface lighting that evenly illuminates the cooking surface. The custom insert can be utilized in hoods up to 36" wide.