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.
Step 5 - Journey Through the Attic. Go through the attic to the bathroom fan and remove the electrical cable and clamp from the old exhaust fan. Remove the 4-inch flexible air duct, and then take off any fasteners securing the old fan to a ceiling joist. Leave the electrical cable for use on the new heater.Completely remove the old exhaust fan.tep 5 - Journey Through the Attic. Go through the attic to the bathroom fan and remove the electrical cable and clamp from the old exhaust fan. Remove the 4-inch flexible air duct, and then take off any fasteners securing the old fan to a ceiling joist. Leave the electrical cable for use on the new heater.