The man's voice was muffled behind his breather mask.

He thought she might have smiled, but it was hard to tell when she wore the breather mask.

The Administration man's heavy breather mask made him look like an elephantine god.

The bag was slipped off, breather mask pulled away.

The entire crowd wore breather masks, not against the cold, but against the possibility of infection by outsiders.

The figure in black regarded him impassively, then seemed to come to a decision, stepped back and pulled off his breather mask.

He sounded muffled through the breather mask of a portable respirator pack.

The breather mask would not allow much oxygen to escape, but it would pass carbon dioxide.

Damon let the door close behind him, opened the storeroom door to toss the breather mask in.

Even as the ship filled with a hissing sound he pushed the command helmet up and grabbed a breather mask from inside his own suit.