The missing component that he – and Mr Price – need for the protective filters is MBPP. Mr Hakes said the NHS standard for masks requires 99 per cent protection, and this can be achieved with three layers of Don and Low's fabric. Don and Low, based in Scotland, said he is wrong and insisted a formal NHS test is required. Mr Hakes, 48, said: 'It is ridiculous to say we must wait for the formal NHS test – that can take up to a year. He was echoed by Mr Price, who said: 'Don and Low told us their books were full until 2021.

Source: Daily Mail April 10, 2020 21:01 UTC