QEBD650 Kerfed Weatherstrip creates a consistent compression every time, proving a life-long seal and protection against air and water infiltration. Your home will remain protected for years to come as the weatherstrip continues to snap back into shape despite bending and twisting that occurs over time. Resilience and durability are the keys to long-lasting performance and our products have a proven reputation for keeping elements outside your door system and home. Fits Kerf Channel 1/8" x 3/8".