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.
How to Vent a Bathroom Fan. In this video, This Old House general contractor Tom Silva explains how to vent a bathroom fan. 1. Drive nail through house wall from attic; this will serve as a reference point for positioning the wall cap. 2. From outside, use 4Â¼-inch hole saw to cut hole for wall cap. 3. Apply caulk around the backside of the wall cap.