100µL Polypropylene Conical Limited Volume Insert,5x30mm, Precision-Formed Interior, w/Patented Top Spring™ 401PTS-530

Polypropylene Conical Inserts. Inserts are available preassembled with a polymer bottom spring or patented Top Spring™. The polymer spring acts as a shock absorber that protects against breakage if the needle bottoms out. The conical design permits complete sample removal. Limited volume inserts are available silanized or precleaned.