Empire Comfort Systems VSK-2 Vinyl Siding Vent Kit for DV-25, DV-35, DVC-35 and DV-55 Direct-Vent Wall Furnaces. This vinyl siding vent kit installs on virtually any type of home providing a smart clean look to finish off your exterior vent. Its new slim-line look offers a less intrusive view on the outside of your home.Standard vent cap Flue outlet and air intake for ventingDimension: 5 x 8