LDR Industries 509 7506 Breaker, 3/4", Brown Hose Thread Vacuum Breaker 3/4-inch Brass construction Break-off attachment screw for permanent installation Limited Lifetime Warranty LDR 509 7506 Vacuum Breaker, Hose Thread, 3/4-Inch, Brass. Vacuum Breaker. Hose Thread. Brass construction. Break-off attachment screw for permanent installation. Limited Lifetime Warranty. Vacuum Breaker Hose Thread Brass construction Break-off attachment screw for permanent installation Limited Lifetime Warranty