Panning

Thermo™ Thermo-Headers™ 16018 Fire Resistant I-Joist Header, 16 in L x 17 in W

Reflectix® HVRC19548025 Return Air Duct Panning Insulation, 48 in L x 19-1/2 in W

Reflectix® HVRC1648025 Return Air Duct Panning Insulation, 48 in L x 16 in W

Thermo™ Thermo-Headers™ 16020 Fire Resistant I-Joist Header, 19 in L x 16 in W

Thermo™ Thermo-Headers™ 16013 Fire Resistant Standard Header, 16 in L x 12 in W

Reflectix® HVRC3236025 Corrugated Sheet Return Air Panning, 36 in L x 32 in W, Domestic