Respirator with inner half mask and pollutant indicator

A respirator, comprising:

• an inner half mask for connection around the nose and mouth of a user;
• and a full face piece mask having a sealing edge in contact with the face of the user, said full face piece mask cooperating with said inner half mask to define a space between said inner half mask and said full face piece mask, said space being in communication with the eyes of the user;
• a flow opening in said full face piece mask for flow into said space;
• a passage opening connecting said space with an interior of said inner half mask for flow of gas from said space to said interior of said inner half mask;
• and indicator means located on a support, said indicator means for indicating an amount of pollutant passing into said interior of said inner half mask, said support being connected to said inner half mask and having an access surface containing said indicator means, said access surface being in flow contact with said flow of gas from said space to said interior of said inner half mask and said access surface being positioned adjoining said passage opening.

A respirator, comprising:

• an inner half mask for connection around the nose and mouth of a user;
• and a full face piece mask having a sealing edge in contact with the face of the user, said full face piece mask cooperating with said inner half mask to define a space between said inner half mask and said full face piece mask, said space being in communication with the eyes of the user;
• a flow opening in said full face piece mask for flow into said space;
• a passage opening connecting said space with an interior of said inner half mask;
• and indicator means located on a support, said indicator means for indicating an amount of pollutant passing into said interior of said inner half mask, said support being positioned on said inner half mask and having an access surface containing said indicator means, said access surface being in flow contact with air being inhaled and said access surface being positioned (adjoining) said passage opening.