Used to assemble water systems. Silicon bronze. Manufactured to include no more than 0.25% weighted average lead content on wetted surfaces. No. 709SB: Tank Leg Size: 10, Tank Tapping Size: - X 1 MIP, Leg Tapping Size: 3/4 FIP X 1 MIP, Cross Top Tapping Size: (2) 1/2, Cross Side Tapping Size: (2) 1/4, Material: Silicon Bronze No. 710SB: Tank Leg Size: 4, Tank Tapping Size: - X 1 MIP, Leg Tapping Size: 3/4 FIP X 1 MIP, Cross Top Tapping Size: (2) 1/2, Cross Side Tapping Size: (2) 1/4, Material: Silicon Bronze