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Allows for 4-way airflow
SD52 - Transition Box Spiral Pipe Grille (Single Deflection)
SD52 Series Performance Data
T-Bar Modular Core Diffuser
14 GA 304 SS Construction
True Round Fire Damper 2652-14 Commercial Allows for 4-way airflowh3. Standard Features * Round 1 1 2 hour fire damper * Horizontal or Vertical installation * UL and California State Fire Marshall approved * Damper construction meets NFPA 90A requirements * Stainless steel curtain * 16 gauge steel frame * UL listed fusible link, 165 standard * All sizes utilize one main curtain stay * Galvanized finish h3. Options * MAR Mounting Angle Ring (sold in pairs 2 needed, 1 for each end)
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