The EO sterile DNA-free swabs in tubes for collecting DNA comply with Directive 93/42/EEC and therefore classified in class IIa. They can therefore be used for microbiological and clinical samples. Swabs in tubes for DNA are delivered in tightly sealed, unbreakable tubes. All the tubes are sealed with stickers and sterilized with ethylene oxide. The dimensions of the tubes is 13 x 165 mm. The tubes are labeled with batch no., expiry date and a type field to own info.