| Code | Description |
| 311011 | Sightgard NV, Clear, Tuff-Stuff Antiacratch Coated, Anti-fog Lens, Non-vent |
| 311012 | Sightgard P, Clear, Tuff-Stuff Antiscratch Coated, Impact Resistant Lens, Perforated Vent |
| 311013 | Sightgard Iv, Tuff-stuff Anti-Scratch Coated Anti-fog, Splash And Impact Resistant Lens, Indirect Vent |