Additional components:

• invisible hinges
• multi-stage tilt
• blocked incorrect handle position
• opening brake in the handles
• friction opening brake
• balcony latch with a handrail
• fan-light opener
• special handles with keys
• special handles with buttons
• WK 1 anti-break in fittings
• WK 2 anti-break in fittings
• air intake sets
• burglar-proof windows
• sound-absorbing panes
• ornamental and frosted panes
• colour and reflex panes
• structural bars and muntins
• thermal panes with heat effective frames
• mosquito nets
• windowsills