Ungraduated

·         Bottles have a square cross-section

·         14250 has a wide appeal for general use, especially water sampling, milk dilutions and tissue culture work

·         14915 has a smooth marking spot

·         Autoclavable to 121 °C without preconditioning

·         Replacement cap is 14255-28

·         Black phenolic screw cap, supplied unattached, has a cemented-in rubber liner and is suitable for autoclaving

·         Manufactured from USP Type 1 borosilicate molded glass