Includes : motor assembly, grille with LED light, fan blade, and bracket. Perfect for replacing worn-out parts or increasing airflow from 50 CFM to 70 CFM. Compatible with NuTone/Broan 763RL, 763RLN, 763RLNB, 763RLN‑R01, 769RL A-unit models Reduces noise and improves airflow compared to older S0503B000 assemblies Voltage: 120 V, ~1 A Airflow: Stock ~50 CFM; upgraded grille moves ~70 CFM Sound: ~2.5 sones (motor) + LED assembly Blade size: ~4.75″ diameter Housing fit: 9″ × 9″ (standard for these bath fans) 763RF and 763RFT Bathroom Fan/Light Upgrade kit Compatible with Nutone ; Includes : motor assembly, grille with LED light, fan blade, and bracket. Perfect for replacing worn-out parts or increasing airflow from 50 CFM to 70 CFM.