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    SSFSDR-511

    Greenheck Product # SSFSDR-511
    Has 304 stainless steel construction, UL 555S class I rating with pressure to 4 in. wg, velocity to 4000 fpm and temperature to 350°F.

    Certifications:

    • California State Fire Marshal (Listing # 3230-0981: 0113)
    • California State Fire Marshall (Listing # 3225-0981:0112)
    • UL 555 (Listing # R13317)
    • UL 555S (Listing # R13317)
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