The 1311 Series Buchner Funnels, with fritted disc, meets ISO 4793 specifications. Funnels are constructed with heavy-walled stems. Top rims are beaded for extra strength.
Strict quality assurance from The Lab Depot for Glass Funnels and more than 750,000 other laboratory supply products means that you will always have confidence in your research and development or quality control results. After all, your laboratory testing procedures should always include using only the very best – whether glass funnels, chemicals, laboratory glassware or very sophisticated instrumentation. Always look to The Lab Depot for value and quality.