Pyrex #4980-1L, 1000ml Narrow Mouth Erlenmeyer Flask with Rubber Stopper (Single)

These 1L PYREX Erlenmeyer flasks are designed with heavy duty rims to reduce chipping. Their uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance. Rubber Stopper included. Product is packaged in a heavy duty, custom cut 275lb burst, double wall, BC Flute, corrugated box, capable of passing a 4 foot drop test. Graduations: 50ml, 250ml to 1000ml O.D. x Height(mm): 129 x 216 Packaged in a heavy duty,custom cut, double-wall, BC Flute corrugated box. Package Dimensions, 8.9×5.55×6 inches