FunChem Qualitative Filter Paper Circles, 74 mm Diameter Cellulose Lab Filter Paper, 20 Micron Particle Retention, Medium Flow Filtration Speed, Pack of 100 (74 mm) - Product Features
- Filter paper diameter: 74 mm
- Coarse cellulose filter papers remove particles > 20 ?m
- Filtration Speed: 35 - 70 sec; Ash content: ?0.15%
- Suitable for FunChem Porcelain Buchner Funnel 80 mm
- Guaranteed after-sales service: if received defective or damaged item, please contact us. We will definitely help you solve the problem until you are satisfied