Individual cylinder for re-arming lifejackets:
DW-CYD33 for 170N lifejackets
Deckvest VITO, Deckvest 6D, Deckvest 5D, Deckvest LITE & LITE+ and DURO
DW-CYD60 for 275N lifejackets
Deckvest VITO, Deckvest 6D, Deckvest 5D, DURO SOLAS, DURO, DURO+
DW-CYD20 (20g) for Deckvest CENTO Junior lifejacket harness here.
You can check what you need here.