Skylight-160W (600x1200mm) and Skylight-220W (600x1800mm) are the most popular large sizes, and many customers install them in their living rooms, offices or some commercial places!
Skylight-30W-Eco (300x300mm) and Skylight-60W-Eco (300x1200mm) are the most cost-effective sizes among all Skylights. Many customers install them in bathrooms, kitchens, basements, and many customers will buy many at one time to splice them.