uxcell 2Pcs Solid Rubber Stoppers, White 10# Tapered Lab Plugs Seal Tube…
Uxcell 2Pcs Solid Rubber Stoppers, White 10# Tapered Lab Plugs Lab Seal Tube Stopper Plug for Industry and Laboratories, 52x43x32mm. Tapered Design: Our lab rubber plug has a conical side, a smooth surface, easy to insert and remove, with good sealing and insulation performance.