- roof made of galvanized steel or painted sheet metal
- direct mounting on the unit
- 350 mm high frame to be built into the roof structure, demountable, with 30 mm thick internal insulation. The frame is provided with Ø 12 mm holes in the bottom part for placing M10 anchor bolts to the roof structure
- insulated corner profiles of the cabinet frame
- waterproof design of the outer shell
- as an accessory, IBET electric heaters of 250 W or 1000 W can be added to the inlet part of the unit. The heater is controlled independently by a built-in thermostat.