Two popular sizes manufactured from soft and hard crystal polystyrene. Packed in 20 units and gamma irradiated.

10LO - 10ul microbiological loop in bags of 10
1LO - 1ul loop microbiological loop in bags of 10
10LO - 10ul loop microbiological soft loop in bags of 10
1LO - 1ul loop microbiological soft loop in bags of 10