Selkirk 4" Diameter Adjustable Elbow, Type B Gas Vent 45/60 Aluminum Double Wall Accessory with Lock Tab - 360 Degree Flexibility, 104222

Upgrade your venting system with the reliable performance and safety of Selkirk’s double-wall gas vent, designed to deliver exceptional durability and efficiency for residential, industrial, and light commercial applications. Engineered with a 1/4-inch uniform airspace, this vent ensures optimal thermal performance and consistent results, no matter the environment. The inner aluminum liner heats quickly to create a strong, steady draft that improves overall system performance, while the galvanized steel exterior provides superior protection against harsh outdoor elements, extending the life of your venting solution. Installation is made simple and precise with Selkirk’s innovative self-centering cap and adjustable design, allowing for quick setup without unnecessary complications. A secure lock tab system offers 360-degree rotation to guarantee perfect alignment and a strong connection every time, while the die-formed male end eliminates sharp edges for safer handling. With a 1-inch clearance to combustibles, this vent system is designed with both safety and performance in mind, ensuring peace of mind for every installation. For nearly a century, Selkirk has been a leader in HVAC innovation, offering products that meet and exceed rigorous UL safety standards. Every vent is engineered to deliver long-lasting reliability, efficient performance, and unmatched durability. Built for professionals and homeowners alike, Selkirk gas venting solutions combine advanced engineering with simple installation, making them the trusted choice for those who refuse to compromise on safety or quality.