United Scientific® Media/Storage Bottles, Square, 1000 mL, comes with 10

Space saving, square shaped borosilicate glass, general purpose media bottles are autoclavable with permanent white imprinted graduations and marking spots. The screw thread opening has an I.D. of approximately 30mm. The supplied GL 45 cap is liner-less and both the cap and drip free ring are polypropylene autoclavable to 140° Celsius. Maximum use temperature of bottles is 450° Celsius.