Headspace Vials, ND20, 20 mL, 23x75 mm, Standard Neck, Round Bottom, HS
Headspace Vials, ND20, 20 mL, 23x75 mm, Standard Neck, Round Bottom, HS Finish. ND20. See all 7 items in this product family. Converted from Type I borosilicate glass tubing. Rounded bottoms and shoulders are more sturdy and allow for even heating and safer operation at high temperatures.