The Lincoln electric Countertop Impinger (CTI) ovens put large-oven capacity almost anywhere you need it. Small enough to fit on most commercial countertops, but large enough to replace a half-sized convection oven or up to five microwave ovens. Lincoln CTI's utilize a 16" (406mm) wide conveyor belt and 20" (508mm) baking chamber; and can be stacked two high. They are available in 208v and with 240v with UL Category KNLZ listed for ventless applications (Local codes prevail) Lincoln Countertop Impingers are also available in quiet/slower bake models. NEW Digital CTI (V2500 Series). This new model adds a catalytic converter and UL Category KNLZ Listed for ventless installations, saving money and time during installation. Because no venting hood is required, operators have more flexibility as to where the oven can be installed. Local codes do prevail. Lincoln Manufacturer Warranty . Watch the following Video featuring the NEW Digital CTI Countertop (2500 Series) Ovens.