https://hornik.eu.com/en/3-308_screw_caps_lab_chemistry_seals/15896-closure-pp-black-vented-500-2500ml-ve100.html
PP black cap with vent for PE-HD bottles 500-2500ml - VE100
Screw cap PP black, tamper-evident, vented, 308/310 PE-HD, VE100, for business customers only.
black capfor pe