![Speedglas 3M ohesd 06-0200-10; Inside prtctn plte 9100v [Price is per CASE]](https://m.media-amazon.com/images/I/21mcsQKkxuL.jpg)

The Speedglas 9100V inside protection plate is designed to protect the inside surface of the filter from spark and spatter. Failure to use an inside protection plate with the filter voids the warranty if spark or spatter cause damage to the glass.
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