This saliva collection kit includes an empty threaded leakproof (95 kPa) 5mL vial and a matching threaded saliva collection funnel. Funnel and tube made from USP grade VI polypropylene. Molded in ISO 7 cleanroom and lot tested free of DNase, RNAase, DNA, cytoxins/endotoxins and BSE/TSE. Produced in a cGMP (21 CFR part 820/821), ISO 13485 and ISO 9001 facility.