NAPFRV47 | Napoleon Rear Vent Kit | 4 x 7570438216SKU:FRV47Inventory ID:03607771Select Item:Price: $299.00Quantity: Napoleon 4 x 7 Rear Vent Kit Kit includes: 20" of 4" flex vent 20" of 7" flex vent Horizontal Wall Terminal Firestop with Shield Reviews Choose your rating12345