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    CRD-1WT

    Greenheck Product # CRD-1WT
    Features side inlet/outlet for use in wood truss applications.

    Certifications:

    • California State Fire Marshal (Listing # 3225-0981:0101)
    • UL 555C (Listing # R13446)
    • UL Fire Resistance Directory Approved Ceiling Design Number:L528, L546, L558, L562, L574, L576, L581, L583, L585, L592, M501, M503, M508, P533, P538, P545, P547, P548, P554, and P580
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