The list of diagnostic tests mentioned in various sources as used in the diagnosis of Pregnancy includes: 1  Urine human chorionic gonadotropin (HCG) tests - these are the basis of home pregnancy tests. 2  Home pregnancy tests. 3  Pregnancy blood tests.
Quick Answer. Ductless bathroom fans remove odors and germs by filtering the air through an activated charcoal filter. These fans have a lower blade speed, also called a tip speed, which allows more air to be sucked up into the filter. Once cleaned, the air is re-circulated back into the bathroom.
Make sure to get a combination switch that has 2 or 3 controls on it in order for this to occur. Proper ducting is an important aspect of your fanâs effectiveness. Fans in top story bathrooms are ducted through the attic to the outside through the roof, wall or soffits.