Feature Highlights: 1. Complete 3-Piece Set – Includes a stainless steel exhaust pipe, chimney elbow, and extension. Designed specifically for gas water heaters to ensure efficient ventilation and safe gas exhaust. 2. Durable & Reliable Build – Made from high-quality stainless steel with precise craftsmanship, offering long-lasting performance for both home and commercial use. 3. Extended Exhaust Design – The chimney elbow extension helps increase exhaust distance, improving flue gas discharge efficiency for your water heater. 4. Built-in Check Valve – Integrated valve prevents flue gas backflow, keeping indoor air safe and clean. 5. Flexible Corrugated Structure – Corrugated design provides excellent flexibility and shock resistance, fitting easily into various installation setups. 6. Quick & Easy Installation – Simple to set up with included instructions and tools—no professional help needed. Product Details: This stainless steel exhaust set is engineered for gas water heaters to deliver reliable ventilation and safe exhaust operation. The sturdy stainless steel construction ensures durability and consistent performance. With its extended chimney elbow design, it enhances flue gas expulsion efficiency. The built-in check valve prevents backflow, protecting indoor air quality. The flexible corrugated pipe adapts to different spaces and resists vibration, while the straightforward installation makes it user-friendly for DIY setups. Ideal for residential and commercial heating systems. Specifications: - Color: Silver - Material: Stainless Steel - Size: 13.50 × 8.00 × 8.00 cm / 5.31 × 3.14 × 3.14 in - Package Contents: 3-piece heater exhaust pipe set