

A through-the-wall vent run for the Vector, Tall Vector, Luxuria, Tall Bay Luxuria and Ascent Multi-View: 5 ft (GD420) or 10 ft (GD430) of 5"/8" flex vent pipe with your choice of wall terminal, the GD422R-2 round terminal or the ST58U-1 Silhouette terminal. Those fireplaces' manuals name each of these terminals for Napoleon flex venting. The Vector, Tall Vector, Luxuria and Tall Bay Luxuria come with their wall firestop spacer, so none is added here. Napoleon's GD-501 heat guard is not suitable for the round terminal, and your fireplace's manual sets its vent lengths. from $408.