Broan-Nutone WALL VENTILATOR

Through-the-wall ventilator can be installed in outside walls from 5-1/4" to 10" thick. Quick, easy installation. Includes polymeric interior grille, exterior louvered wall cap, fan, flexible aluminum ducting, and built-in bird screen. Housing 6" diameter, grill 8" diameter. 70 CFM, UL listed.