Duratech Attic Insulation Shield 6″ is 9446 and 8″ is 9646 – Requited for installations that pass through an attic to prevent insulation and debris from accumulating near chimney. Fits over Radiation shield or a support box. Consists of two parts – collar and base. Size 6″ is 14″ x 14″ base 15 ” high […]

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