* 1.4 W/m²K * High security hook locking system * Trickle ventilation * All product are viewed from the outside * Product height includes PVC cill Product includes: Frame/Glass/Handle/Locking Mechanism/Cill PVC French doors, manufactured to the highest standards. Using high security, three hook, locking mechanism. Strong, durable and easy to maintain. Strong and secure uPVC French doors from Crystal, featuring toughened 36mm triple glazing to offer even greater energy efficiency in any modern ho

Brand Name	Crystal