15ml Polystyrene Culture Tubes, Sterile, Non-Graduated, 500 per case

These culture tubes are manufactured from premium quality polystyrene or polypropylene. Tubes are offered in two sizes: 12 x 75mm (nominal capacity 5ml) and 17 x 100mm (nominal capacity 15ml). Tubes are supplied sterile, capped with a two position polyethylene closure that can be adjusted for aerobic or anaerobic applications. Correct cap position is achieved with an easy one hand operation.