Bullet_point: ['Smooth rounded corners and protective edge trim for an attractive modern appearance Spiral steel fin element for the best heat transfer Cast iron motor Aluminum fan blade Heavy gauge steel enclosure and screen for protection Adjustable discharge louvers Fully enclosed motor Control options Auto-reset thermal cutout Tested under UL1278 UL (E41422) and cCSAus (LR43323-2) approved Includes 1-pole unit mounted Thermostat (temperature range 40°F - 100°F) Includes mounting bracket KBB-2'] (Page 1)