Flat-Top Stopper Caps

Caplugs® Evergreen Flat-Top Stopper Caps are available in a wide variety of sizes and colors to fit your desired test tube, providing a proper closure with a secure seal. These stopper caps feature a flat top and deeper ridges on the sides for easier grasping and removal from the test tube.

• Accommodatable test tube sizes range from 8 mm to 17 mm
• Test Tubes sold separately