Wall hood energy rating d max extraction rate normal use 500 mh colour black materials stainless steel steel blow settings 3 features telescope chimney controls short stroke button width 60 cm height 325 cm depth 50 cm chimney height 38 76 cm odour filter carbon filter fan efficiency class f energy efficiency class for lighting g grease filter efficiency class c annual energy consumption 86 kwhyear lighting halogen lamp flue size 150