These PYREX® Hirsch funnels have a 20mm diameter coarse porosity fritted disc with a porosity range of 40 to 60 µm. These fritted disc funnels are very useful in preparative work, or in making separations where it is necessary to wash the pre
EcoChoice Claim
I-RECS cover 100% of manufacturing electricity consumption
EcoChoice Narrative
One or more facilities manufacturing this product is 100% covered by renewable energy through the purchase of unbundled energy attribute certificates (EACs).