DuraVent DuraVent 5" x 8" DirectVent Pro - Galvanized Attic Insulation Shield

5" x 8" DirectVent Pro Galvanized Attic Insulation ShieldThe DirectVent Pro 5" x 8" Inner Diameter Galvanized Attic Insulation Shield is a component that is used in a typical venting installation. Required for installations that pass through an attic to prevent insulation and debris from accumulating near the vent. Provides 1” clearance to combustibles.Features:Required for Installations that Pass Through an Attic to Prevent Insulation and Debris from Accumulating near VentLength: Adjusts from 11" to 20"...