Personal emergency breathing hood with nose blocking device

An emergency breathing hood for use with a breathing apparatus, comprising:

• a plastic hood made of a gas-impermeable, flame-resistant and transparent plastic film for covering the head of a wearer and including means for substantially sealing the hood around the neck of a wearer;
• a mouthpiece secured to and extending through said plastic hood, for providing a connection between the wearer's mouth and the breathing apparatus;
• and
• a nose blocking device for blocking the gas inflow into the nostrils and inhibiting outflow from the nostrils of the user, said nose blocking device comprising a cylindrically shaped device supported within said hood so that said cylindrically shaped device is positioned in front of and in contact with the wearer's nostrils when said hood is worn, and a thin elastic material over said cylindrically shaped device and extending over an area effective for covering the wearer's nostrils.