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, H-205 is NSF listed for potable water applications. Its formula resists turning copper piping green and is excellent for large diameter copper pipe applications. Made in the USA. Oatey® products have earned the trust of plumbing professionals for over 100 years.