Air Uno: – Hamlet 60cm black glass designer cooker hood, 4 speed touch controls with automatic switch off and aluminium grease filters. The Hamlet has a maximum extraction rate of 820m3/h and noise level between 38-58db’s. Ducting size of 150mm but with the option to re-circulate by using our carbon filters. Ducting Option 1. You can duct this hood from the rear via the back outlet. Ducting Option 2. You can duct this hood by purchasing the optional chimney section which we can supply. If you need any additional information please send all emails to the following address.