Lowest price ever on Amazon (non-third party and non-used), according to CCC.
FAN COMBO: Exhaust fan and light combo helps reduce moisture, odors, and mildew and is powerful enough for rooms (including bathroom) up to 45 sq. ft. for your convenience
EFFICIENT: Bright 100-watt lighting capacity (bulb not included) with shatter-resistant light diffusing lens to provide high-quality lasting use
EASY INSTALLATION: Easy to install and/or replace existing product for DIY’ers. Includes polymeric duct connectors with tapered sleeves for easy, positive ducting and a plug-in, permanently lubricated motor
Harvard has introductory course for you to take a look at.
Technically course for licensed medical professional it is a basic general information course.
Even if non medical it is probably taught at a level that you can pickup good information for you to know about
