5-Piece Premium Narrow Neck Erlenmeyer Flask Set, 50/150/250/500/1000mL, White Graduations, Borosilicate 3.3 Glass

This five-piece Erlenmeyer flask set is made from Borosilicate 3.3 glass and includes narrow-neck flasks in 50 ml, 150 ml, 250 ml, 500 ml, and 1000 ml capacities. Each flask features white printed graduations and beaded rims, with uniform, thick walls that provide excellent strength against breakage. Individual flask dimensions are: 50 ml (3.3 inches tall, 2-inch base, 18 mm inner neck diameter); 150 ml (4.6 inches tall, 2.9-inch base, 23 mm inner neck diameter); 250 ml (5.7 inches tall, 3.3-inch base, 29 mm inner neck diameter); 500 ml (7 inches tall, 4.25-inch base, 29 mm inner neck diameter); 1000 ml (9 inches tall, 5.25-inch base, 36 mm inner neck diameter). The set is packaged in a custom-fit thick foam casing for safe storage and transport. The borosilicate glass is microwavable and autoclavable. Heat tolerances are: Strain Point 515°C, Annealing Point 565°C, and Softening Point 820°C.