Pack of 2 Solid Brass Vacuum Breakers – Built from high-quality, lead-free solid brass for exceptional strength, corrosion resistance, and long-lasting outdoor performance. Standard 3/4-Inch Fit – Compatible with all standard 3/4" garden spigots, hose bibs, and outdoor faucets; quick, no-tool installation for instant use. Reliable Backflow Prevention – Stops contaminated water from flowing back into your clean water supply, helping protect against harmful chemicals, fertilizers Multi-Purpose Use – Ideal for garden hoses, irrigation systems, RV water hookups, outdoor faucets, and any setup requiring water safety and code compliance. Easy to Install & Use – Simply screw onto your outdoor faucet; no tools or plumbing experience required for secure, leak-free protection. Vacuum Breaker 3/4 Inch Solid Brass Hose Bib Backflow Preventer for Garden Spigot RV Pack of 2