Due to the UK being shut off from the European mainland because of the new Covid-19 mutation it is very likely your order will be delayed until further notice. There is nothing we can do about this at this point in time
If you work for a long time in a room where there is a lot of particulate matter, it is wise to use a mouth mask. As a result, you will be less likely to suffer from your throat and reduce the risk of lung diseases when you work in construction. At Frank you will find different mouth caps for different situations. So there is always one that is suitable for the job.