The Speedglas inside cover lenses (part number 428000) protect the inside of your Speedglas 100, SL, 9002D, 9002V and 9002 Utility welding lenses from sparks and splatter. Also suitable for the 3M 10V welding helmet. Comes in a pack of 5. (Plate marking Speedglas 420200).
Suggested Change Frequency (Speedglas 428000):
- Speedglas Inside Cover Lens = Replace once a month
US Part Number: 04-0290-01