- Nalge 2104
- Similar to 1717E05 series bottles
- With polypropylene screw caps
- More rigid than LDPE type
- Temperature range 110°C to 120°C
30 and 60 mL bottles have a 28 mm closure size; 125 mL bottles: 38 mm; 250 mL bottles: 43 mm; 500 mL bottles: 53 mm; 1,000 mL bottles: 63 mm.