M G DURAVENT 3PVL-X4ADR 3-4"Pellet Vent Adapter Product Overview 3" to 4", pellet vent appliance pipe Adapter, used to attach outlet when increasing to 4" pellet vent, on venting stoves above 4,000'. must seal Adapter to appliance with high temperature sealant, designed for stoves that burn wood pellets, patent pending venting for stoves inserts that use wood pellets, UL listed for 3" clearance to combustibles in USA Canada. Details: Part Number: 3PVL-X4ADR Item Weight: 6.4 ounces Product Dimensions: 8 x 6 x 4 inches Item model number: 3PVL-X4ADR Item Package Quantity: 1 Included Components: Building Materials Ladders^Other Material Handling^hydraulic-adapters Batteries Required?: No Shipping Weight: 10.4 ounces Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. International Shipping: This item is not eligible for international shipping. Learn More Date First Available: November 16, 2013 Features: Manufactured in United states Easy to use Highly durable