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.
1 Remove the cover on the bathroom vent fan. 2  Disconnect the wiring and remove the fan motor from the housing. 3  Disconnect the vent pipe from the fan housing. 4  Remove the vent fan housing. 5  If needed, adjust the existing hole in the ceiling to fit the new vent fan housing. 6  Attach the vent fan housing to the ceiling joists.