I-20mm crimp intamo eno-6ml, 10ml, kanye nevolumu yokubamba ka-20ml. Kutholakala emiklamweni ephansi noma eyindilinga engezansi yokuhambisana okunembile kwensimbi. I-Pre-aqoqele ama-20 mm crimp caps nge-Septa alungele ukusetshenziswa nganoma iyiphi i-Headspace Crimp Top Vaving.