Additional InformationASTM B813|IAPMO Certified|NSF 14/61
Marketing InformationOatey® H-20®5 paste flux is a water flushable soldering paste flux designed to clean and flux most commonly soldered metals. 100% lead-free. Safe for use on potable water applications. Can be used on copper piping without discoloration. Excellent for large diameter - copper pipe applications. Oatey® products have earned the trust of plumbing professionals for over 100 years. Made in the USA.