I've dealt with brutal allergies for decades, even undergone two surgeries because of them. Nothing really helped--until I talked with Clint Knapp prop. of "the Vacuum Doctor" outa Provo, Utah. After a long conversation about my symptoms and home setup, he pointed me toward a Sebo vacuum and an Austin Air filtration system. Within days, my congestion cleared up. Honestly, Clint turned out to be a lifesaver. read more