These PYREX® Hirsch funnels have a 20mm diameter fine porosity fritted disc with a porosity range of 4 to 5.5 µm. These fritted disc funnels are very useful in preparative work, or in making separations where it is necessary to wash the preci
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).