This is a wood burning GreenBlocks fireplace. GreenBlocks is a modular system that you can fully customise yourself. Every option is a smart upgrade and a step towards even cleaner heating. You decide how green you want to burn! More information: www.drufire.com/greenblocks. Prostyle fires have screen-printed glass that conceals the metal frames. The Prostyle Tunnel is a see-through wood stove that can be built into a pre-fabricated chimneybreast or room dividing wall. With hinged doors on either side, it is both stunning and practical. It has a heat output range from 9 - 12 kW and an efficiency rating of 83%. Specifications Brand - Dik Geurts Series - Instyle/Prostyle Category - Wood fires EcoDesign Ready - Energy efficiency class - A+ Model - Built-in Fire view - Tunnel Shape - Horizontal Combustion system - Combustion air from living area Suitable for passive houses - Glass window - Screen-printed glass Door type - Hinged door Control - Manual control S-Thermatik NEO - Colours - Dark anthracite Interior - Vermiculite natural Max. log length (cm) - 52 Efficiency (%) - 83.0 CO emission (%-13% O2) - 0.079 Particulate Matter (mg/Nm3-13% O2) - 24 OGC/CxHy (mg/Nm3-13% O2) - 21 NOx emission (mg/Nm3-13% O2) - 28 Built-in depth (mm) - 542 Fire view width (mm) - 557 Fire view height (mm) - 448 Flue - Top External air connection - Base Convection connection - 230V necessary - Approvals - EN13229, Flamme Verte, BlmSchV, EcoDesign