Let natural light shine through with the Crystal Agate and White RH Side Hung Clear Double Glazed Window 610 x 820mm, which is designed for energy efficiency and secure ventilation. Featuring an A-rated high-performance glazing unit with argon gas and a Warm Edge spacer bar, you'll enjoy improved insulation and reduced energy costs. The white handle and PVC cill blend seamlessly with the agate and white frame, while espag locking and trickle ventilation help keep your space safe and comfortable. Supplied with glazing packers for straightforward installation, it's a practical choice for modern homes.