14 In. Heavy Duty Exhaust Fan with High Performance Totally Enclosed Motor Install_Roof This grille is compatible with

This grille is compatible with fan models HVWM 18 and HVWM 18 UPS

This bird screen is compatible with our roof mount power attic vents and round static vents

This motor is compatible with select roof mount and gable mount vents

Constructed using tempered solar cell casings to resist hail

14 In. Heavy Duty Exhaust Fan with High Performance Totally Enclosed Motor Install_Roof This grille is compatible withProvides ventilation by moving air up to 1,400 CFM Fully assembled with plug in design Uses a rough opening of 17. 25" x 17. 25" Reinforced rust resistant galvanized steel housing with removable interior grille Pre drilled holes on flange and rolled flange edges for safe and easy installation Automatic shutter with added louver stiffeners prevents drafts from entering through the external opening OSHA compliant grille and totally enclosed, energy