Unisource is one of the leading hose, flex connector, and expansion joint manufacturers in the United States. With locations in Portland, OR; Houston, TX; and Minneapolis, MN; and over 35 years of experience, we have the broadest line of hoses and flexible connectors to support the HVAC Market. We can help with Teflon Expansion Joints, Rubber Expansion Joints, Metal Hoses, Teflon Lined Metal Hoses, Duct Style Expansion Joints, Metal Bellows, and Expansion Joints.