1、Compatible Models: S97012026 50CFM bathroom exhaust fan is suitable for Nutone 696N‑R02 B unit, is a great replacement part for, 688‑G, 688‑H, 688‑J, 688‑K, 663‑G, 663‑H, 663‑J. 2、For Air Improvement: S97012026 bathroom fan assembly can quickly improve indoor air quality, solve problems such as unclean wall tiles, bathroom water vapour, odor, and high humidity. 3、Product Features: This fan has high speed rotation and low noise. The wind speed is faster and the air volume is larger, achieving better ventilation, dehumidification, and heat dissipation effects. 4、Alloy Steel: The bathroom exhaust fan is made of excellent alloy steel, with high hardness, scratch resistance, and aging resistance, can be applied in humid bathroom environments. 5、Easy to Install and Replace: The 50CFM bathroom exhaust fan has a compact size and reasonable opening, making it convenient to install. You can directly replace old or damaged fans.