Air Duct Ultra Fire Resistant Header; Item Ultra Fire Resistant Header; Type Lightweight; Size 16 Inch x 17 Inch; Used On Item Tight Sealing Air Block/Return Air Duct; Used On Model/Brand THERMO-PAN; Applicable Standard UL; Application Residential
No duct noise Satisfied homeowner Excellent for open web trusses Lightweight and easy to install Precision die cut and scored for easy installation Made in USA