AFP as he unveiled his air filtration system at the Allard, whose tables will also be screened off with sail cloth blinds.Large white air "socks" decorated with drawings of the gods and goddesses of the wind hang over every table from the overhead ventilation pipes, gently pushing stale air away.And customers will also be offered round transparent "separators" to be placed on their table for additional safety when French restaurants are due to fully reopen on June 22.Ducasse said his prototype will "give extra safety to customers in confined spaces" and was a possible solution for tightly packed bistros which could lose half their tables if distancing rules are rigidly applied.Designer Patrick Jouin, whose work is displayed at MOMA in New.