The traditional chimney cooker hood has 2 x LED downlights to help illuminate the hob and a powerful motor to hep yo keep your kitchen clean and fresh. Cooker Hoods. The cooker hood is suitable for eitherinternal re-circulation – air is passed through a charcoal filter, purified and released back into the kitchen, orexternal extraction – cooking odours and vapours are transferred outside with the help of a ducting kit.