4″ x 6″ Flex extension coupler kit 1 each 3″ and 1 each 6″
- Size: 4 Inch
- Color: Stainless Steel
- One 4″ flexible vent pipe coupler
- One 6″ flexible vent pipe coupler
- 4″ x 6″ flexible vent pipe extension coupler kit
- Specifically built for venting of the Sierra Flame Emerson series
*Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches. Please see the Venting Components section on this page if available for venting pipe that must be used with this unit.


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