1) BTU:60,000; 2) Efficiency:67%; 3) Ceramic glass, firebox, black door,blower; 4)N.T.:190kg; ... efficient way.2) Canature fireplaces have the best-looking flame. 3) Thicker gauge steel reduces noises caused by expansion of the ... increases burning efficiency. Specifications: 1) BTU: 60,000 2) Efficiency: 67% 3) Ceramic glass, firebox, black door,blower4) Net weight: 190kg5) Gross ...