Ingenious design uses both ends of the cap to fit FOUR tube sizes.

Product: Universal Tube Caps
Quantity: 1000 ea/bg, 10 bg/cs
Item #s:

Light Blue: DUTC15311B
Red: DUTC15311R
White: DUTC15311W
Yellow: DUTC15311Y
Green: DUTC15311G
Lavender: DUTC15311L
Dark Blue: DUTC15311D

• Unique design fits four sizes of tubes: 10mm, 12mm, 13mm, 16mm
• Easily inserted with one hand
• Fits common test tubes and specialty tubes, both glass and plastic
• Economical and space saving! Purchase and store one cap instead of four different sizes - bulk count adds to your savings
• Seven cap colors coordinate with most common and popular tube colors for ease of use
• Semi-flexible polyethylene construction is leak-resistant and preserves sample integrity, both at room temperature and refrigerated (freezing not recommended), and minimizes evaporation loss
• Crack-resistant caps fit snugly and will not fall off during agitation (centrifuge not recommended)
• Non-sterile

Universal Tube Caps