Wednesday, 15 April 2020 at 11:36:33 by CL:

Plastic film containing filter paper.

Film acts as a barrier to help prevent infection.

Protection from mouth-to-mouth contact.

A transparent plastic film, printed with an illustration of a face on the front to indicate where this should be placed on the patient.

This mask is primarily designed for mouth-to-mouth ventilation of a non-breathing adult.

In the centre of the plastic film is a filter for protected mouth-to-mouth contact.