Manufacturer Name: Tjernlund Products Product Number: VH1-4 OEM Part Number: VH1-4 Product Description: 4" Aluminum Hood Weight:5.77lbs/2617.23g The Tjernlund Products VH1-4 4-Inch Aluminum Hood is a high-quality, durable ventilation accessory designed to improve the performance of HVAC systems. Made from corrosion-resistant aluminum, this hood provides o... https://www.partshnc.com/vh1-4-tjernlund-products-4-aluminum-hood