Antisiphon: No | Brand Name: BK Products | End 1 Diameter: 1/2 in. | Frost-Proof: No | Material: Brass | Maximum Pressure: 125 psi | Maximum Temperature: 180 deg. F | Number in Package: 1 | Packaging Type: Boxed | Sub Brand: ProLine | End 1 Diameter Type: FIP | Lead Content: Lead-Free BK Products has served the plumbing industry. BK Products company has grown from a small distributor to becoming part of Mueller Industries, a world leader in flow control and industrial products. This relationship allows BK Products to offer the reliability BK Products brand is known for to a wider audience at prices they can afford. BK Products are committed to connecting plumbing contractors, builders and other industry professionals with the products their projects rely on. | Rising stem for positive open and close operation | Extremely hardwearing and ready to withstand tough conditions | Thoroughly tested through the manufacturing process | Proved to be reliable and trustworthy