DuraVent DuraVent 4" Inner Diameter - DirectVent Pro Direct Vent Pipe - Double Wall - Small Wall Thimble

DirectVent Pro Collection 4" Inner Diameter Galvanized Wall Thimble - ReducedThe DirectVent Pro 4" Inner Diameter Galvanized Wall Thimble - Reduced is a component that is used in a typical venting installation. The DirectVent Pro small wall thimble provides a complete wall-pass-through and fire stop. Use with Round Horizontal Cap and Sconce Cap only. May be required in Canada. Refer to the appliance manufacturer’s installation instructions for requirements.Features:Inner Diameter: 4" Outside Diameter: 6 ...