KOCH GP2 Shelf Only Smokehouse. All stainless steel construction, Comes with a wood chip generator, Plumbing: Floor Drain: 11⁄4-in. pipe, Two rear wall grease/shower drains: 11⁄4-in. pipe, Exhaust Flue: 6-in. diameter, Maximum straight flue length: 18-ft., Product Shower: 3/8-in. cold water line, Natural or L.P. Gas: 1⁄2-in. gas supply line (installed per local, state, and national codes), Cooking Chamber Dimensions: Approximately 42″ × 42″ base with a height of 60″, offering generous volume for smoked product cooking, Capacity: About 500 lb, based on typical loading of bone-in hams, Control Features: Includes accurate thermostatic control, adjustable up to 225 °F, Airflow & Maintenance: Features an open-style heating compartment optimized for natural smoke and air circulation and includes continuous grease removal functionality, 220V/3PH/60HZ.