Part Number: W010-1777
eFireplaceStore Item Number: NPL-W010-1777
This is an additional firestop by Napoleon to be used with your direct vent sleeve assemblies, when your installation application requires passing through an additional story ceiling or wall. This firestop is designed for use with 4 in. x 7 in. Napoleon direct vent systems and will protect your home from chimney fires and from too much insulation accumulating near the ventilation piping. Napoleon is a trusted name in the fireplace and chimney venting and component industry, at a price you can afford.