Zurn | sku: 271986 Zurn 3/4 In. Hose Bibb Vacuum Breaker The 3/4 in BFP-9 Hose Connection Vacuum Breaker is utilized in low health hazard applications such as service sinks, laundry tubs, and standard 3/4 hose bibbs for protection against backsiphonage of polluted water into the potable water supply. The BFP-9... Log in for pricing