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- 100% Genuine Guarantee: You receive brand-new equipment from official Polish distribution.
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Optrel Inner Cover Lens 90x110mm for p505 (25 pcs.), 5000.255
A genuine set of 25 Optrel inner cover lenses for p505 series welding helmets. As a key consumable, the inner lens is the barrier that protects the advanced auto-darkening cartridge (ADF) from dust, scratches and dirt. Replacing it regularly is fundamental to keeping optical quality high, working comfortably and getting the longest possible life out of the helmet. With a genuine Optrel product you get a guaranteed exact fit and consistent viewing quality.
Key features
ADF cartridge protection
Essential protective barrier
Genuine Optrel component
Guaranteed quality and fit
Bulk pack
25 pieces
Technology details
Critical Protection of the Auto-Darkening Filter (ADF)
The inner cover lens is the last but crucial line of defence for the heart of the helmet, the expensive auto-darkening cartridge. It is directly exposed to dust, sweat and fine particles that can get inside the shell during intensive work. Even microscopic scratches or stubborn dirt on its surface can scatter light and degrade the image you see through the filter. Replacing the lens regularly prevents permanent damage to the delicate surface of the ADF. It is a simple and economical task that protects a far more expensive component and keeps it working reliably for a long time.
Keeping Optical Quality Undisturbed
Optrel lenses are made of very pure polycarbonate with excellent optical neutrality, so they introduce no image distortion. Their perfectly smooth surface does not interfere with technologies such as True Color View, so you can use the full potential of the filter. Worn or non-genuine replacements can cause reflections, lower contrast and faster eye fatigue. Keeping the lens in perfect condition is therefore essential for judging the weld pool and its surroundings accurately. Regular replacement is an investment in precise work, less eye strain and consistent weld quality.
Exact Fit and Easy Replacement
As a genuine Optrel product, every lens in the set has precisely defined dimensions of 90x110mm, which gives an exact, tight fit in the dedicated seats of p505 series helmets. The close fit keeps dirt from getting between the lens and the ADF, where it could scratch the cartridge during cleaning. Optrel helmets are designed so this part can be changed quickly and without tools, which keeps downtime to a minimum. A genuine component means trouble-free fitting and reliable protection.
Technical specification
| Feature | Value |
|---|---|
| Catalogue number | 5000.255 |
| Dimensions | 90 x 110 mm |
| Material | High-quality optical polycarbonate |
| Compatibility | Optrel p505 series welding helmets |
| Quantity per pack | 25 pieces |
What's in the box?
- Optrel inner cover lens 90x110mm (25 pcs.)
Main applications
- Maintenance and servicing of welding helmets
- Protecting the auto-darkening cartridge (ADF)
- Ensuring maximum optical clarity
About Optrel
Optrel is a Swiss innovation leader in welding protection. For decades the brand has stood for uncompromising quality, innovative technology and the highest level of safety, and professionals around the world trust it. When you choose genuine Optrel accessories, you invest in components designed with the same precision and attention to detail as the helmets themselves, keeping your whole protection system intact.

