O le 18mm Screw Headspace Vial ma le Cap fa'atasi ai ma fa'amaufa'ailoga fa'aeletonika fa'aogaina mo le CTC ose tala fou i totonu ole maketi fa'atauta'i ulu o lo'o pulea e crimping ua. Aemaise lava mo pulou maneta e faigata ona faʻapipiʻi, o pulou faʻailoga o se filifiliga faigofie. 18mm Screw Headspace Vial ma Cap ma le sakete alumini ma le maneta ogatotonu ipu, e faigofie ona crimp ma aveese le pulou. 18mm Headspace Vial ma Cap e sili mo mea faifa'aili nei: CTC PAL, Varian, Gerstel, Atas, Shimadzu, Aijiren.