Felder - Fields soft solder flux "Cu-Roflux 39", according to DIN EN 29454 3.1.1.A, in bottles of 250 ml each

Felder soldering liquid „Cu-Roflux® 39“, according to DIN EN 29454.1-3.1.1.A, flux for soft soldering of copper tubes, heating and drinking water installationes, different dimensions see variations