A 1/4 pound of Mystery Glass Shorts OP18a, a reducing color. Tested compatible.
- These sales are final.
- There are no refunds or exchanges.
- Decoding the Mystery and the label
- 1st check the superscript on your label. R = reducing. You can stop here. This is all you need to know to use the glass.
- See the related products below to discover what family of test batches OP is in.