GC 20ml Screw Top Headspace Vial Thomas Scientific
Headspace Vials | Thermo Fisher Scientific
Unlike crimp cap vials, Thermo Scientific™ National 18mm Screw Top Headspace Vials require no tools for closure. Manufactured with superior quality (Type 1, Class A) glass, they are available with a round bottom in sizes with usable volumes of 10mL or 20mL.
vial headspace with round bottom–Headspace Vials for Sale
5183-4474 | Aijiren Vial, crimp top, headspace, clear, round bottom, certified, 20 mL, 23 x 75 mm, 100/pk. Vial size: 22.75 x 75 mm...