Click to expand Tap to zoom Ahlstrom B191-0900 Non-Toxic Blue Blotters,GRADE 191 by Ahlstrom Save $-513.80 $513.80 | / SKU B191-0900 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart GRADE 191, Circle Size 9.0