Polyethylene test tube stopper caps are precision-molded and available in either our standard or flat-top style.  Stopper caps are available for every size of Caplugs Evergreen test tube from 8 mm to 17 mm.  Standard version is available in a wide variety of colors and flat-top…

Polyethylene caps are designed to fit all types of round, conical and standard bottom serum cups. Available in flat top and perforated top.  Non-perforated caps are appropriate for short-term storage and perforated caps help minimize variation caused by evaporation during…

Universal Columns have a multitude of applications in life sciences as well as in clinical applications. The universal column has a reservoir section, a straight resin section, and a luer lock-compatible tip.  The reservoir has a wide-mouth opening for easy pouring.  The reservoir is…

Overfitting caps for use with sterile culture tubes have two positions: loose for aerobic culturing and tight for anaerobic cultureing and leakproof sealing.  Designed to fit specified tube material and size, listed in description.  Available in non-sterile or sterile.