flat bottom headspace gas chromatography and cap Perkin Elmer. 2021/05/10 · 20mL Amber Flat Bottom Headspace Vial, 23x75mm, 18mm Thd list price/quantity total $453.31 / CS (1000 / CS) Perkin Elmer), Beveled Bottom, 20mm Beveled Crimp Top list price/quantity total $30.63 / PK (100 / PK $306.30. Get price +.