The ideal sampling device for customers looking for an environmental sample collection device containing more than 1 mL of prefilled diluent. The prefilled bottles come sterilized and with ample headspace for additional sample to be added. The rayon swab tip sits in the broth, allowing organisms to release from the swab bud. Makes sample collection efficient and easy. Collect your samples by swabbing the surface, recapping, and the liquid is ready to be transferred to the media of your choice. Ready-to-use and convenient. All-in-one sample collection system. More broth for high-volume samples. Perfect for plates or dried media film. 18 month shelf life at refrigerated temperatures.