OKNOPLAST, patio door PSK, Prismatic, 4 sashes

Optimum use of space, functional design and space saving. The large surface area of the glass allows for better insolation of the interior.

• The lift&slide system and special fittings enable easy tilting and sliding of the sash up to a width of 1.6 m with minimal force.
• Great freedom of use. 
• Four anti-theft hooks to raise the safety standard.