4" Pelletvent Pro Vertical Kit - Flat Ceiling (includes: Vertical Cap- Storm Collar- Ceiling Support Firestop Spacer [for 1" Clearance]- Adjustable Flashing- Appliance Adapter/increaser 3" - 4" [black])upc-a : 662492578285order # : 4pvp-kvastock # : 810001036pieces In Carton : 1