Ensure efficient air release in your plumbing system with this automatic air vent. Constructed from durable brass, it features 1/2 female and 3/4 male connections, making it versatile for various installations. Rated for a maximum pressure of 150 psi, it helps prevent pressure buildup and potential system failures. With a compact size of 2-1/4 inches wide and 4-3/4 inches high, it fits easily into tight spaces while providing reliable performance.