PYREX® VISTA™ Griffin Low Form BeakersPYREX VISTA Griffin Low Form Beakers PYREX VISTA Griffin Beakers with spout are manufactured to provide balance between thermal shock resistance and mechanical strength. For convenience, the 250 through 1000 mL beakers have a double graduated metric scale to indicate approximate content. All sizes have an extra large marking spot. The 10 mL size is not graduated. The beakers are designed to ASTM E 960.