30packs Welding Lens 2" x 4.25" Shade 9 Plastic Glass Replacement Welding Lens Black

1. Made of PC plastic material, much thinner than glass material, durable and scratch proof. Black frosted glass lenses protection from dust, sand, impact and splash.
2. Lens can effectively filter strong light, harmful light, welding arc light, prevent damage to eyes.
3. The glass is flat and is commonly used for welding helmets, reducing the welder's eye exposure to light and heat.
4. Suitable for most helmets that use 2" x 4-1/4" window openings. Please pay attention to choose the right size lens for installation.
5. The bigger the color number, the more dark the color, the lighter the color, the clearer the product, choose the right color number