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3" TO 4" B-Vent No Height Increaser | 3MIN4
$109.40
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Part number3MIN4
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About this part
Upgrade your ventilation system with the 3" TO 4" B-Vent No Height Increaser (part number: 3MIN4) designed for L89-773 models. This increaser smoothly transitions from 3" to 4" for optimized airflow. Listed and tested to UL 441 standards, it features an aluminum flue with galvanized casing and hemmed edges for durability. The positive twist lock connection with SureLock tab ensures a secure fit.
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