METHOD AND APPARATUS FOR FILTERING AIR ENTERING AN ANIMAL'S NOSTRILS
摘要
<p>A method and apparatus for filter air entering an animal's nostrils include a filtering element operatively disposed with a lower portion contacting the animal's nose region between the animal's nostrils and upper lip. A nose mask may be secured against the animal's nose region with adhesive or one or more stretchable bands extending around a portion of the head of the animal.</p>
