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