Capacity: 500mL; height: 176mm; outer diameter: 101mm · Made from borosilicate glass code 7740 · Narrow mouthed Erlenmeyer flask uses rubber stopper number 7 Heavy Duty Rim Laboratory Flask Corning Pyrex® #4980-300, 300ml Narrow Mouth Erlenmeyer Flask With Pyrex 500ml Narrow Mouth Flask These 500 ml 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 These PYREX Erlenmeyer flasks are designed with heavy duty rims to reduce chipping. Erlenmeyer Flask PYREX 1L Narrow Mouth - Borosilicate Glass With Heavy Duty Rim 1l Erlenmeyer Flask Their uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance.
