Features4-poles totally enclosed condenser motor rated for continuous runFan shall be UL listed for tub/shower enclosure when used with a GFCI branch circuit wiringMotor equipped with thermal-cutoff fuseRemovable with permanently lubricated plug-in motorRust proof paint, galvanized steel body6 in Dia duct adaptorBuilt-in backdraft damperExpandable extension bracket up to 26 inAttractive design using PP material grilleAttaches directly to housing with torsion springs grille