UPGRADED S97011919/97011790 Grille-Wall Fans Cover Replacement Part

Upgraded Materials and Construction: Compared with the 97011790 grille wall fan Cover kits from other manufacturers, we have upgraded the materials of components such as the built-in threads of screws and knobs. We have replaced the easily damaged plastic threads and iron screws with those made of pure copper and stainless steel. In addition, with the adoption of modern hardening and heat treatment processes, the service life of our product is far longer than that of the original product, and it also has a better texture | Complete Package Contents: The bathroom vent fan grille Cover assembly includes 1x 11-1/2 inch wall grille cover, 3 threaded rods (1/4 inch - 20 UNF) in three lengths: 7/8 inch, 1-7/8 inch, 2-3/5 inch; 1x speed switch, 1x grille knob and 1x mounting stud bracket. The ventilation fan model 503 fits the 7/8 inch rod, model 505 and 507 fit the 1-7/8 inch rod, model 509 and 509S fit the 2-3/5 inch rod. Note: Disconnect the power supply before installation | Precise Dimensions: The grille Cover size is 11 1/2 inch x 11 1/2 inch, OEM size and color. Please confirm your model and size before purchasing. The grille looks similar, but the size or model is different | Wide Compatibility: 97011790 Grille Cover (Replaces Old Style) Compatible Models: 509S Ventilation Fan, 509S-A Through Wall Fan - 180 Cfm / 6.5 Sones, 509S-B Through Wall Fan - 180 Cfm / 6.5 Sones, 509SMG, 503, 505, 507, 509S (replacement old style) | Enhanced Surface Treatment: We have treated the surface of the exhaust fan cover to make it more textured and easy to clean