Pyrex 125 ml Borosilicate Distilling Flask is ideal for use with thermometers calibrated for 76 mm immersion. Heavy duty distilling flask perfect for microchemical applications feature a sidearm approximately 77 mm below the top of the neck at an angle of 75 deg. Shipping Details Shipping Type: parcel Free Shipping: true Specifications Capacity: 125 mL UPC: 885634245757 Allergens: Contains No Allergens Grade Level: Middle-High School Specialty Shops: Clearance SUOM Description: Each Brand Name: Pyrex Description: Distilling Flask Material: Glass Graduations: Yes Material Type: Borosilicate Glass