250mL. Borosilicate glass. With pouring ring, polypropylene screw cap. Chemically resistant. Withstands repeated sterilization cycles up to 180[degree]C dry heat or freezing down to -40[degree]C with red high temp cap. Thread size: GL32. Grad. Range: 50-200mL. Interval: 50mL.
Labeled Reagent Bottle, 500mL, Screw cap size: 33-405. Specially designed polypropylene pouring lip, impossible for a drip to form. Natural polyolefin cap liner provides a tight seal and protects the pouring surface from dust and dirt.