Description 811 Southwark – 811 Return Air Package – E:Mail: [email protected] to confirm availability or for volume discounts Southwark – Return Air Package, Complete package consisting of: 1 – #20 Starting Collar 2 – 30″ Duct Sections 1 – Return Air Plenum with 1″ Filter Rack 6 – 10″ Drive Straps *Shipped knocked down in one carton Attributes Brand Southwark CE – Sale Code CLEARANCE:RED Color Silver Composition Galvanized Steel Country of Origin USA Cubic Measurement 6.9408 Dimensional Weight 86 EAN 0099273523637 Flanged true Galvanized true Gauge 26 GA Insulated false Promotions CLEARANCE Prop 65 true R-Value Not Insulated Size 25″ x 10″ – 25″ x 16″ UOM EA UPC 099273523637