Gas B-Vent

Duraflex Al 5 In. Dia X 420 In. Flex Kit

Dura Flex Aluminum is for use as air intake only. Aluminum Flex liner available in 25 ft., 35 ft., and 50 ft. flex lengths. Constructed of single-wall (1-ply) aluminum. - Flexible aluminum relining for masonry chimney - Use with natural gas or liquid...