COMPRESSION NUT 1/2" 3PK *Brand Name: ATC *End 1 Diameter: 1/2 in. *End 1 Type: Compression *End 2 Diameter: 1/2 in. *End 2 Type: Compression in. *Material: Brass *Product Type: Nut *ANSI Certified: Yes *Maximum Temperature: 250 ~~F *Maximum Pressure: 250 psi *Compatible Pipe Material: Brass, Copper, and Iron *Packaging Type: Bagged *Number in Package: 3 pk*Average Lead Content: Lead-Free *Discovery ACC, CON, SUP, EXP