After weeks of fruitless searching I eventually found a dealer who said he could supply Marea masks. :D So I sent off my money and waited impatiently for them to arrive. :sleep:
When the package finally arrived I opened it expectantly....only to find standard RGM Bravo/a masks. :bang:

After contemplating driving to Sunderland to stick them down someones throat -> :dead: I felt a project come on. :idea: