Dynarex LabChoice Culture Tubes with Dual Position Caps are designed to provide a controlled environment for cell and tissue culture growth. The Tubes are equipped with dual-position caps, allowing for aerobic culture in the loose position and anaerobic culture when sealed. The ribbed plastic cap design allows for enhanced grip and easier handling. Constructed from premium polystyrene materials, these Culture Tubes are crafted for increased durability and reliability. The Tubes are made from transparent materials to provide optimal clarity and visibility of contents. Dynarex LabChoice Culture Tubes with Dual Position Caps are available with or without printed graduations and marking areas, offering flexibility to suit various preferences.  1 PER POUCH, 500 POUCHES PER CASE