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 The vacuum breaker repair set effectively prevents backflow by creating an air gaps between the water outlet and hose, ensuring clean and safe water for various outdoor applications Designed to fit standard anti siphon frosts sillcock valves, this set is the perfect solution for maintaining your plumbing fixtures, seamless integration with existing installations Crafted from metal, ensures enhanced strength and longevity, providing stable over time The set includes essential components such as a brass cap, body, plunger, O-rings, and plunger seal, making the repair process straightforward and effective, Manufacturer: MCAOAL