Parkinson Cowan AH00DW is a cooker hood designed to remove smoke, grease, and odors from the kitchen air. It has two fan speeds and a light to illuminate the cooking area. The hood can be used to extract air or recirculate air, depending on your needs. It comes with a charcoal filter for recirculating air, which should be replaced every 3-4 months. The hood is easy to clean, with a removable grease filter and a metal surface that can be wiped clean with a damp cloth. It also has a thermal cut-off device to prevent overheating.