Additional Details Technical Data Guides & Instructions Additional Details The Alpine 4WS MK3 Series wood burning stove is DEFRA exempt for use in smoke control areas which means it can be safely and legally used in all major towns and cities throughout the UK. It produces minimal emissions that are one tenth of the level that a comparable DEFRA exempt stove is permitted to produce and has an efficiency rating of 85.2%. . Optional colours are available Technical Data Specifications Energy Performance Labelling Brand Chesney Model Alpine Output KW 4kw Efficiency 85.2% CO2 Emission 0.09% Style Contemporary Flue size 125mm Fuel Wood Placement Freestanding Dimensions H 586mm W 410mm D 307mm Material Steel/Cast Iron door Eco Design Yes DEFRA Yes Guides & Instructions Manual