Diamond Culture Tube Cap for 20 mm Glass Culture Tubes, Clear, 500/CS

Globe Scientific® Diamond® Culture Tube Cap for 20 mm Glass Culture Tubes, Clear, 500/CS, 118156C

Features:

• Fit plain end culture tubes and flasks with DeLong style necks or ports
• Molded from durable, autoclavable polypropylene (PP)
• Ridges inside cap provide secure grip and gas exchange
• Available in five (5) colors for easy sample identification and organization
• Maintain sterility without cotton plugging
• Reduce sample evaporation compared to cotton plugging
• Provide same evaporation and sterility benefits as stainless steel closures