View 2 of 3 in. / 5 in. x 39 in. Plastic Condensing Vent Pipe Extension for Rinnai Super High Efficiency Tankless Water Heaters

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View 1 of 3 in. / 5 in. x 39 in. Plastic Condensing Vent Pipe Extension for Rinnai Super High Efficiency Tankless Water Heaters View 2 of 3 in. / 5 in. x 39 in. Plastic Condensing Vent Pipe Extension for Rinnai Super High Efficiency Tankless Water Heaters