| Standard | International Regulations (ISO , BSMA & JIS), Classification Regulations |
|---|---|
| Material | Al – Alloy , Brass, Steel & Stainless Steel |
| Method of fitting | Welded & Bolted |
| Type | Non-Opening & Opening, Etc. |
| Glass | Toughened, Heated, Double Glazing, Laminated, Etc. |
| Accessories | Window box, Insect Screen, Suns screen, Roller Blind, Hanger, Etc. |
| Nominal size | 200, 250, 300, 350, 400, 450 DIA |