UPGRADE 97011790 Non-Porous Grille 509s-a/B | Kitchen/Bath Wall Fan Vent Exhaust Cover,2Pcs

Through wall ventilation fans replace 97011790 S97011790 509S-A 509S-B 509SMG 503 505 507 509S (replacement old style)

• Perfect Compatibility & Wall Switch Fit】97011790 no-cutout exhaust fan cover, fits Broan-Nutone 503/505/507/509/509S,Many vulnerable parts have been fully reinforced, and the service life is far ahead!
• 【Complete Accessory Kit Included】ONLY Comes with 11.5" grille (S97011790, 3 threaded rods，Thread: 1/4-20, 1 grille knob & 1 mounting bracket. All hardware provided
• High Airflow & Durable Material】Wide-open vent for max airflow. Off-white matte finish, matches all home decor, Surface with frosted matte finish, durable and resistant to oil, dust, water droplets, etc., easier to clean
• 【No Switch Cutout, Sleek Design】Seamless panel with no pre-cut switch hole for a clean look. Designed for users who prefer wall switch control and minimalist style.
• 【Quick & Easy Installation】Fix the grille bracket to motor bracket, insert the right threaded rod + knob through grille and secure. Tool-free, beginner-friendly operation.
• 【UPGRADE】Compared with the earlier 97011790 grille wall fan kit, we have upgraded the materials of parts such as the screws and the built-in threads of the knobs. We've replaced the original plastic threads and iron screws with those made of pure copper and stainless steel. Moreover, with the adoption of modern hardening and heat treatment processes, the service life of our product far exceeds that of the original one