hybex™ Borosilicate Glass Media Storage Bottles by Benchmark Scientific are reusable borosilicate 3.3 glass bottles rated from -70 °C to 500 °C, with a standard blue polypropylene cap, a drip-free sealing ring and permanent white enamel graduations. Use them to prepare, autoclave and store media, buffers and reagents. Available from 50 mL to 10 L, plus a mixed starter pack.