Smart, strong and secure sliding patio doors from Crystal, featuring toughened 28mm double glazing. These doors will let plenty of natural light into the home, while providing unhindered views of gardens or outdoor spaces. If space is tight, these uPVC patio doors will make the most of your available room with no inward or outward opening required. Sliding left to right, the door comes with a bidirectional security hook lock and trickle ventilation for improved airflow.* Clear double-glazed uPVC

Brand Name	Crystal