. Select a vacuum with high-efficiency filters such as micro filter or HEPA media, good suction, and sealed construction. As an option, consider a central vacuum system. Source... hard to control this problem especially in the bedroom. Check out your vacuum cleaner. Vacuum cleaners with poor design and filter system release and stir up dust and allergens... for oxygen when you reach your travel destination. Be sure that you know how to use your portable oxygen system and know how long your oxygen will last. Check ahead to see if oxygen...