Description
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