The BD 236500 is a Specimen Collection Swab designed for the collection of anaerobic specimens. This swab does not contain any medium, allowing for the collection of pure and uncontaminated samples. The swab is sterile, ensuring that it is safe for use and does not introduce any contaminants into the sample. It is sold in boxes of 25, with 4 boxes per case. Please note that the minimum expiry lead is 90 days. As this is a temperature-sensitive product, it is non-returnable. This product is available for shipping only within the Continental US.