• Bio-Rad Accessories for Large-Format Vertical Protean II xi and xL Electrophoresis
• Only have one in stock
• Will ship from Delaware USA
• Sold AS IS, no return
• PROTEAN® II xi and XL (IPG) component comparison

1. The 4 mm xi and 13 mm XL clamp notch
2. The 19 mm xi and 8 mm XL spacer
3. The 181 mm xi and 198 mm XL central cooling core gasket
4. The 153 mm xi and 184 mm XL comb