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The Napoleon Hearth A4758AK reducer kit adapts 5" x 8" venting to 4" x 7" systems. The kit includes an adjustable firestop, reducers, a gasket, and hardware. It is designed for use with BHD4 Ascent Multi-View Fireplace. This reducer kit is ideal for installations where the existing venting system is too large.
This kit provides the necessary components to transition between different vent sizes, ensuring compatibility with various fireplace setups.
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