bosch 500 series canopy range hood duct extension accessory kit hcbext5ucThis Bosch 500 series canopy chimney range hood duct extension accessory kit is the perfect fit for your Bosch 500 series chimney hood (sold separately). The duct extension ensures your chimney hood is clearing smoke and steam from your cooking area, even in kitchens with high ceilings. The stainless steel design blends in seamlessly with your existing chimney hood, creating a clean and modern look.