Product Information Material: 316L Stainless Steel Select a Product Part NumberSize B19WB-R125A1-1/4" B19WB-R50A1/2" B19WB-R75A3/4" B19WB-R100A1" B19WB-R150A1-1/2" B19WB-R200A2" B19WB-R250A2-1/2" B19WB-R300A3" B19WB-R400A4"