Since 1944, Van-Packer has been a leader in the chimney field. Over the years Van-Packer has steadily increased its product line to include chimneys and grease ducts to handle applications in all aspects of the commercial and industrial fields. The Van-Packer product lines are UL/ETL listed designed to handle any specific operating conditions. Van-Packer Specialties: Engineered Chimney, Chimney Vent, Grease Duct, UL 2221, UL 1978, UL 2561, NFPA 96