Oatey 30373 No. 95 Tinning Flux - Lead Free - Carded 1.7 oz. (12 Pack) Since 1916, Oatey has been manufacturing quality products for the plumbing industry. Oatey's market-leading products include solvent cements for joining plastic pipe and fittings, vent stack roof flashings, solder and flux for joining copper pipe, washing machine outlet boxes, Sure-Vent® air admittance valves, residential and light commercial drains and other related plumbing specialty products. Oatey 30373 No. 95 Tinning Flux - Lead Free - Carded 1.7 oz. (12 Pack) Features: • Formulated with the same high quality as No. 5. However, patented Oatey silver solder powder is added to pre-tin the copper pipe. • Flux can never burn out. • 100% lead free. • Excellent for large diameter copper. • Does not turn copper green."