4" PelletVent PRO, Horizontal Kit.
This is a 4" Horizontal Kit, this is from the Pellet Vent Pro-Line. It has the Duralock tightening system, to get a tight fit.
This Kit Includes:
1 Round Horizontal Cap 4PVP-HC2
1 Wall thimble 4PVP-WT
1 Appliance Adapter 3PVP-X4AD
These three components exist in all horizontal installations.