15mL Polystyrene Centrifuge Tube, Sure Cap - Bag, Sterile
Easy to write on flat surface polyethylene (HDPE) caps
Compressible liner creates a stable seal
Tubes include graduations molded into the conical bottom, ideal for pellet viewing and small volume quantification
Convenient zip-closure bag is a practical alternative to folding and taping opened bags
Polystyrene is optically clear for easy viewing of sample or colormetric testing
Note: Polystyrene is less chemically compatible than polypropylene, and can not withstand high speed centrifugation. For a polypropylene option, see 229401