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The Hercules H-20 30133 is a water-soluble soldering flux designed for various metal applications. This product is suitable for use on copper, brass, zinc, and more. It comes in a sixteen-ounce container. The flux is lead-free and complies with NSF 61, making it safe for potable water systems.
Hercules H-20 soldering flux is a vital tool for plumbing and soldering needs. Its effective formula is good on all metals except aluminum and stainless steel.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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