Builder's Best 282058 4 in. Wide Mouth Wall Cap

Back-draft flapper|11-inch tailpipe

Improve Airflow With The Builder's Best 4 in. Wide Mouth Wall Cap

This sturdy Builder's Best wall cap will improve airflow and drying efficiency. The 4-inch wide mouth opening keeps air flowing freely and the back-draft flapper ensures air doesn't come in where it shouldn't.

This useful wall cap features an 11-inch riveted tailpipe and back plate for a wide variety of uses. You'll save time because each comes fully assembled and is ready to be installed.

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