4" PelletVent Pro Horizontal Kit (includes: Round Horizontal Cap, Wall Thimble [for 1" clearance], Appliance Adapter/Increaser 3" - 4" [black])
4" PelletVent Pro Horizontal Kit (includes: Round Horizontal Cap, Wall Thimble [for 1" clearance], Appliance Adapter/Increaser 3" - 4" [black])