Specification: 2022 Eco Design Ready: Yes-DEFRA. Approved: Yes. Type: Multifuel Stove. Fuel: Wood and smokeless fuel (can't burn coal). Material: Cast Iron door and steel body. Heat output: 5KW-Efficiency: 76.9% (When Burning Wood). Efficiency Grade: A. Maximum CO emissions: 0.10%. Primary air, secondary air and tertiary air system. External air compatible: Yes. Top and rear flue outlet: 5" (125mm) diameter. Flue collar included: Yes. Glass size: 215*265mm. Overall size: 583*425*335mm. Note: The flue pipe is not included.