Thermal Break System Window Outward Casement Square Shape Windows

1) Long life span (10-30 years), various colors for choice. 2) Durable, no deformation, no crack after long-time usage. 3) Security, can be closed and locked firmly. 4) Easy to install, with very nice appearance. 5) Fit for different rooms, with wide field of vision. 6) Accessory system: High quality accessories achieved American and European standard. Stainless Steel Hardware waterproof and soundproof window system No maintenance required