ST9 INVITEK Stool Collection Tube with DNA Stabilizer (RUO) Stool Collection Tube with DNA Stabilizer for microbiome studies (RUO), is offered as item numbers 10 90 50 (100 pcs kit) and 10 92 50 (250 pcs kit), as well as part of our Standard or Customized EasySampler Kits. Request Quote