• $449.36$712.77
  • $399.48$633.65
  • $380.06$602.85
  • $366.15$580.80
  • $325.66$516.56
  • $324.44$514.63
  • $311.95$494.82
  • C/BX 450SQX420D – 350 20MM INS – Cushion Head Boxes – CHB4545-35

    Internally Insulated Damper Blade5mm Internal Insulation40mm lip

    $289.61$459.38
  • $270.57$429.18
  • $261.32$414.51
  • C/BX 450SQX370D – 300 20MM INS – Cushion Head Boxes – CHB4545-30

    Internally Insulated Damper Blade5mm Internal Insulation40mm lip

    $261.06$414.09
  • C/BX 450SQX320D – 250 20MM INS – Cushion Head Boxes – CHB4545-25

    Internally Insulated Damper Blade5mm Internal Insulation40mm lip

    $248.92$394.84

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