Crafted from metal, ensures enhanced strength and longevity, providing stable over time. Designed to fit standard anti siphon frosts sillcock valves, this set is the perfect for maintaining your plumbing fixtures, seamless integration with existing installations. The set includes essential components such as a brass cap, body, plunger, O-rings, and plunger seal, making the repair process straightforward and effective. The vacuum breaker repair set effectively prevents backflow by creating an air gaps between the water outlet and hose, ensuring and safe water for various outdoor applications. Suitable for LEG-108-903 T550 T550A. None tools needed, you can easily replace your existing vacuum breaker and restores the anti-siphon protections, it will only take a few minutes to easily install.