Brass ball valve CSA/UL/CE approved brass ball vave Size: 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" Detailed Product Description: 1)Adjustable stem packing nut; 2)Forged brass body from 1/4''-4''; 3)Full port; 4)CSA , UL and UL certified; 5)Silicone free; 6)600WOG for 1/4''-2''; 7)400WOG for 2-1/2''-4''