In this photo provided by the Seattle Fire Department, Lori McCallister, of Project Breathe, tries a dog oxygen mask on a dog named Emmy, Tuesday, July 14, 2015, in Seattle, at a news conference to announce the donation of 20 pet oxygen masks to the department by Invisible Fence Brand of Seattle. The masks will be used to resuscitate animals overcome by smoke and they can also be used on pets as small as guinea pigs or mice. (Kyle Moore/Seattle Fire Department via AP)