Specification: 2022 Eco Design Ready: Yes DEFRA Approved: Yes Type: Multifuel Stove Fuel: Wood and smokeless fuel (can't burn coal) Stove Material: Cast Iron Heat output: 7 KW Efficiency: 79.1% (When Burning Wood) Efficiency Grade: A Maximum CO emissions: 0.03% (When Burning Wood) Primary air, Secondary air and Tertiary air system External Air Compatible: No Flue collar included: Yes Top flue outlet: 5" (125 mm) diameter Glass size: 288 x 270 mm Overall Size: 620 x 416 x 485 mm Item Weight: 76.1 kg Colour: Black Note: The flue pipe is not included.