Click to expand Tap to zoom Ahlstrom 0050-0470 Quartz Fiber Filter Paper,Grade 5 by Ahlstrom Save $-47.63 $47.63 | / SKU 0050-0470 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Ahlstrom Grade 5/Catalog No. 0050-0470/Diameter: 4.7 cm/50 Pieces/Pack/Material: Quartz Fiber