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2 Pack Heavy Duty Durable Stainless Steel Corrugated Water Flex Connector with Extra Thick Washers for Water Heater and Water Softener (18x1 FIP) - - Amazon.com
Easyflex Yellow Coated Stainless Steel 1/2" MIP x 1/2" FIP x 18" (1/2" OD) Gas Flex Connector (18" x 1/2") - - Amazon.com