Ashless Filter Papers - 350MM - Quantitative Quantitative and qualitative filter papers provide laboratory grade filtration for extraction systems and are specifically used in combination with a Buchner funnel to remove fats, waxes and any other unwanted contaminants from your solution. These filter papers are used in the pre-processing stage of short path distillation to clean up the material prior to processing. Key Features: ISO 9001 Approved Manufactured from alpha-cellulose and cotton linters High Purity and low background Consistent performance Whatman equivalent quality Pre-Cut for ease of use Specifications: Classification Quantitative Sizes Available: AFP-1 11um - Medium AFP-4 20um - Fast Quantity per Pack 100 Diameter 350mm (13.78") | BVV Ashless Filter Papers - 350MM - Quantitative