Sample Tube Pressure Caps for 3 5 and 10 mm Tubes Tight-fitting polyethylene cap which stays in place even with a build-up of internal vaporization pressures. Assorted (20 each of Red Black White Green Blue and Yellow). 100 per case (100 per CS )
Sample Tube Pressure Caps for 3 5 and 10 mm Tubes Tight-fitting polyethylene cap which stays in place even with a build-up of internal vaporization pressures. Assorted (20 each of Red Black White Green Blue and Yellow). 100 per case