Round Bottom Narrow Neck Florence Borosilicate Glass Boiling Flask with Beaded Rim Botany_Botany Equipment & Supplies And as they have ground

And as they have ground edges

and molds while inhibiting bacterial contamination during fungal culture

1-inch right-isosceles

Baffled-bottom design on this 500mL sterile PETG Erlenmeyer flask enhances mixing turbulence for shaker-based cell culture at USP Class VI rating

Sixteen-and-a-half-inch wooden inclined plane with a paired cart

Round Bottom Narrow Neck Florence Borosilicate Glass Boiling Flask with Beaded Rim Botany_Botany Equipment & Supplies And as they have groundBeaded rim reinforces large volume Florence flask against chipping during stoppering, with a narrow neck that minimizes evaporative loss during extended heating.