' Chimney Liner Kit, Diameter 4 In., Length 25 ft., Bend Angle 24 Degrees , Min. Length 10 ft., Max. Duct Length 45 ft., Liner Material Aluminum, End Type Round, High Temperature Degrees 500 Degrees F, Dimension B 4 In. x 10 ft., Dimension C 4 In.x 35 ft., For Use With Natural Gas, Includes Flashing, Rain Cap, B-Vent Connector, Mortar Sleeve '