As wall mounted kitchen exhaust fans continue to develop, the focus R&D center works to better integrate global advancement in the fans performance and quality at an international standard. The fans quality performance starts with a quality incoming inspection of the raw materials, which is followed by quality performance inspection of the assembled materials at each level of the construction and ends with an in-depth final quality performance inspection. The R&D focus center enables the fans performance to reach a pass mark of over 98% which represents the performance demands of the fans on a global market. The exhaust fans international designs focus on unique cultural and global market versatility.