Sure Cap Centrifuge Tubes - Polystyrene-CELL 229491

Sure Cap with compressible liner creates a stable seal Polystyrene tube is optically clear for easy viewing of sample Includes molded 15mL graduation line plus 0.5 and 1mL graduations molded into conical bottom allowing for small volume quantification Easy to write on flat surface polyethylene (HDPE) caps feature integrated leak-proof seal Convenient zip-closure bag is a practical alternative to folding and taping opened bags Easily refill reusable racks with tubes packed in bags