Sterile, square narrow-neck bottle (250 ml) with safety screw cap (type E).

Properties & advantages:

• Prefilled with 5 mg sodium thiosulphate ( = 20 mg/l).
• Space-saving, rectangular shape
• Narrow neck thread (20mm)
• Moulded seal and locking ring
• Safe to leak
• Translucent
• Exposed scale
• Shelf life 24 months