Frost King F-series 3-ft Fiberglass Tubular pipe insulation for 3-in Pipe

Frost King commercial grade, high temperature, self-sealing fiberglass 3-ft long tube with reinforced foil and paper wrap. Use for 3-in diameter pipes immediately exiting furnace and water heaters, where foam pipe insulation might not be appropriate. The advanced adhesive closure fastens and installs with no need for staples or tape. The all-service-jacket exterior, made of polymer film, is smooth, durable, cleanable, wrinkle-resistant, resists water staining and doesn't support mold or mildew growth.