![CellTreat 15 and 50mL conical centrifuge tubes with green caps in recyclable paperboard racks CellTreat 15 and 50mL conical centrifuge tubes with green caps in recyclable paperboard racks](https://cdn11.bigcommerce.com/s-w9bdixgj/images/stencil/500x659/products/2145/5276/Celltreat_15_and_50mL_Conical_Centrifuge_Tubes_in_Paperboard_Rack_-_Lab_Supplies_-_Stellar_Scientific__21397.1546483137.jpg?c=2)
![CellTreat 15 and 50mL conical centrifuge tubes with green caps in recyclable paperboard racks CellTreat 15 and 50mL conical centrifuge tubes with green caps in recyclable paperboard racks](https://cdn11.bigcommerce.com/s-w9bdixgj/images/stencil/500x659/products/2145/5276/Celltreat_15_and_50mL_Conical_Centrifuge_Tubes_in_Paperboard_Rack_-_Lab_Supplies_-_Stellar_Scientific__21397.1546483137.jpg?c=2)
Made from robust polypropylene, Mac-G™ centrifuge tubes can withstand repeated autoclaving and freezing at temperatures -86C
Each Mac-G™ centrifuge tube features a color-changing temperature patch that indicates when the contents are at 0C
Mac-G™ centrifuge tubes offer new graduation lines that can be read regardless of direction.
Mac-G™ centrifuge tubes identify the maximum fill line for general use and when contents are to be frozen.
Mac-G™ centrifuge tubes are E-Beam sterilized (SAL 10-6) for peace of mind.
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