It has Cradle 2 Cradle Bronze certification. The Cradle to Cradle Certified™ program is a third party, multi-attribute certification administered by the Cradle to Cradle Products Innovation Institute that assesses a product’s safety to humans and the environment and design for future life cycles. The certificate is a type I environmental label as determined by ISO 14024. Type I means that the Cradle to Cradle Products Innovation Institute has established a set of criteria which outline which properties an environmental product must have and in addition, they have established a third-party certification process.

• max. width vent 1,2 m, max. height vent 2,8 m, max. weight vent 170 kg, max. glass thickness 55 mm

• Solid sub-construction (concrete, bricks, solid wood, steel etc.) required. In standard version it cannot be used as a fire protection structure, but could be done on project basis.