1. Seven types of volume 1ml, 2ml, 5ml,10ml,25ml,50ml and 100ml
2. Bidirectional graduation and negative graduation improve the accuracy
3. Seven types of color code on tips make pipettes easily recognizable
4. All Sorfa serological pipettes are sterile and are packaged in bags.
5. Buck packaging and individually packaging in plastic/paper wrapper.
6. RNase-free, DNase-free and Non-pyrogenic.