A tool-free, clip-in uPVC shutter system designed for direct recess mounting onto standard casement and sash window profiles. Reinforced high-grade uPVC construction ensures full dimensional stability in high-humidity environments (RH up to 95%). Features 63mm adjustable louvres with 180° tilt range for precise light and airflow control. Low-profile frame with flush finish. No fixings or specialist installation required. Features: Drill-free clip-in installation mounts directly onto existing uPVC window frames with no fixings or tools required No outer framework needed slim profile maximises natural light and maintains an unobstructed view Moves with the window shutter travels with the sash or casement when opening and closing, with no need to remove 63mm adjustable louvres with full 180° tilt range for precise light diffusion and privacy control Constructed from hard-wearing polysilk vinyl moisture-resistant, durable, and suitable for high-humidity environments Compatible with inward-opening windows, French doors, and patio doors Cord and string-free design fully child safe with no strangulation risk Easily removable for cleaning or decorating no specialist tools required for removal Specifications: Dimensions: H:84.2 x W:44.2 x D:10 cm Weight: 5.0 kg Colour: White Guarantee: 1 Year Material: Upvc Model Number: SF4WH6101040 *Windows sold seperately* *These shutters are specifically designed to fit Crystal Direct windows, which are also available on the site.*