Felder - Felder soldering fluid, according to DIN EN 29454 3.1.1.A, flux for soft soldering of iron, steel, copper, brass, lead and tinplate
Felder soldering liquid, according to DIN EN 29454.1-3.1.1.A, flux for soft soldering of iron, steel, copper, brass, lead and tinplate, in bottles, different dimensions see variations
