- Nalge 2003 series
- Impact-resistant and leakproof; ideal for trace metal analysis
- Polypropylene screw closures
8, 15, 30 and 60 mL bottles have a 20-415 cap size; 125 and 250 mL bottles have a 24-415 cap size; 500 mL bottles are available with 28-415 and 38-430 cap sizes; 1,000 mL bottles have a 38-430 cap size.