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    SMD-401M

    Greenheck Product # SMD-401M
    Modulating with extruded aluminum airfoil blades and Class I leakage rating; pressure up to 4 in. wg (1 kPa); velocity up to 2000 fpm (10.2 m/s) and temperature up to 250°F (121°C).

    Certifications:

    • California State Fire Marshal (Listing # 3230-0981: 0104)
    • UL 555S (Listing # R13317)
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