PYREX 1L Narrow Mouth Erlenmeyer Flasks with Heavy Duty Rim, Ea Description 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. Features: Capacity: 1000ml Graduations: 50ml, 250ml to 1000ml O.D. x Height(mm): 129 x 216 Heavy Duty Rim Packaged in a heavy duty, custom cut, double-wall, BC Flute corrugated box. Package Dimensions, 8.9x5.55x6 inches Product Details: Material: Borosilicate Glass Capacity: 1000 Milliliters Brand: Pyrex Bottom Shape: Round Graduation Interval: 50 Milliliters Is Discontinued By Manufacturer ‏ : ‎ No Product Dimensions ‏ : ‎ 9 x 5 x 5 inches; 2 Pounds Item model number ‏ : ‎ FBA_4980-1LCNEa Date First Available ‏ : ‎ June 26, 2007 Manufacturer ‏ : ‎ Karter Scientific Best Sellers Rank: #49,315 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #25 in Lab Erlenmeyer Flasks #25 in Lab Erlenmeyer Flasks Customer Reviews: 4.6 4.6 out of 5 stars 322 ratings