3M Speedglas Inner Cover Plate, +1 Shade (Pack Of 5)

The inner cover plate is designed to protect the inside surface of the filter from spark and spatter. Can be used to increase +1 dark shades of the welding filter. To be used with Speedglas Welding Filter models 9000XF and 9002X. Size 53×103 mm. Please Note: Failure to use an inner protection plate with the filter voids the warranty if spark or spatter cause damage to the glass.