Nalge 2203 series Leakproof Same design as 1706L80 series, but autoclavable Sizes 1/2 and 1 gallon include size 38-430 cap; 2 gallon size includes 53B cap Autoclavable 1 and 2 gallon sizes have loop on shoulder

Nalge 2204 series Pigmented to provide protection for light-sensitive materials Leakproof Sizes 1/2 and 1 gallon include size 38-430 cap; 2 gallon size includes 53B cap Autoclavable 1 and 2 gallon sizes have loop on shoulder