Specification Sheet &P shark Corrugated SST Water Softener Connector Designed to provide fast and easy connections for water heaters, boilers, water softeners, and other equipment, aur connectors feature FIP ends on both sides. Made of large-1 corrugated stainless steel tube, these connectors offer higher flow rates compared to standard copper or balded connectors. Additionally, they Isolate against electrolysis and are more flexible, reducing the likelihood of kinking.