Wheaton sample vials, 4ml or 0.14oz, amber, 13-425 finish with ptfe faced 14b rubber liner, type i borosilicate glass (4ml vial file, amber, 13-425, ptfe/rubber lined) the vial file provides a compact, easily accessible means of sample storage. The vials are stored in individual partitions within a clear polystyrene case. Foam inserts provide extra protection for the vials. The alphanumerical indexing card allows for identification of sample vials. The vial file comes with polystyrene case, partitions, indexing card, and 60 – 2 ml vials or 40 – 4 ml vials. Clear vials are manufactured from 33 low extractable borosilicate glass that conforms to astm type i, class a and usp type i requirements to protect ph balance and sample integrity. Amber vials are manufactured from 320 amber glass that conforms to usp type i requirements to protect light-sensitive samples. Select from solid or open top black phenolic screw cap with 14b rubber liner for aqueous work and ptfe faced 14b rubber liner or ptfe faced silicone liner for organic work. Partitions and index cards can also be purchased separately. Clear plastic hinged case with 2 or 4 ml vials convenient for storing and transporting vials partitions and foam inserts protect vials includes alphanumerical indexing card choice of solid or open top screw cap caps attached to vials. Warning: this product can expose you to chemicals including tetrafluoroethylene, which are known to the state of california to cause cancer. Prop 65 warning