May 18, 2021 · Certified 9mm PP Screw Ultra Clean Cap with Teflon 40ML EPA/TOC Vial Kits Certificated Vial & Closures Barcode Vials & Bottles Bonded Caps Autosampler Vials & Closures 2ML ND8 Screw Vials & Closures 2ML ND9 Screw Vials & Closures 2ML ND10 Screw Vials & Closures 2ML ND11 Crimp Vials vials screw cap | Sigma-Aldrich PTFE/red rubber, diam. × thickness 18 mm × 0.050 in., for use with 22 mL vial