CowCow Replacement O-rings for BBUs
HI-Capa Hub
£4.5
We have not confirmed this price since it was first recorded. Check before buying.
Replacement O-Rings for your BBU. Getting the right seal between your nozzle and Blow Back unit can really make a difference - its always a good idea to have different sized O-rings to get the best fit! Can also be direct replacements for worn BBU O-Rings.
HI-Capa Hub's own words, read from their page.
Buy from HI-CAPA HUB LTDPrice seen 2026-09-26. Not an affiliate link, we earn nothing from it.






