Air Flow Capacity 50 Cubic Feet Per Minute. Motoasis bathroom fans: Compared to cheap or old aluminum fans, we use pure copper material to manufacture the motor. Compatible with Nutone Models: The 50 CFM S0503B000 bathroom fan motor assembly is compatible with Nutone 763RLN B,763RLL,763RLN B,763RLN-R01,763RL/769RL A. Compatible with the 70CFM version of the 769RL/RF series.
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