SELKIRK CORP 184600 Gas Termination Kit, 4-Inch Product Overview 4" inch, 4RV-TK, 4 Piece, Round, Type B Gas Vent Termination. Kit includes top flashing, storm collar and draft hood connector. Constructed from galvanized steel, which resists corrosion. Type B gas vent kit for gas appliances in residential and light commercial and industrial applications. Outer pipe has internal spacing bends, to assure a uniform insulating air space between pipe walls. From the Manufacturer 4" inch, 4RV- TK, 4 Piece, Round, Type B Gas Vent Termination. Kit includes top flashing, storm collar, and draft hood connector. Constructed from galvanized steel, which resists corrosion. Type B gas vent kit for gas appliances in residential, and light commercial, and industrial applications. Outer pipe has internal spacing bends, to assure a uniform insulating air space between pipe walls. Details: Part Number: 184600 Item Weight: 3.5 pounds Product Dimensions: 16.4 x 13.6 x 10.4 inches Item model number: 184600 Item Package Quantity: 1 Batteries Required?: No Shipping Weight: 3.6 pounds Domestic Shipping: Item can be shipped within U.S. International Shipping: This item is not eligible for international shipping. Learn More Date First Available: August 17, 2005 Features: 4" inch, 4RV-TK, 4 Piece, Round, Type B Gas Vent Termination Kit includes top flashing, storm collar and draft hood connector Constructed from galvanized steel, which resists corrosion Type B gas vent kit for gas appliances in residential and light commercial and industrial applications Outer pipe has internal spacing bends, to assure a uniform insulating air space between pipe walls