The Flex Technologies 3" x 3" Cold Side Air Intake Hose is designed to provide reliable performance over a long service life. This hose is constructed with 321 stainless steel restraint rings for reduced swelling and increased hoop strength. It is also reinforced with silicone aramid for added durability. The hose is also resistant to ozone and UV rays, making it ideal for outdoor use. With its superior construction and reliable performance, this hose is the perfect choice for any air intake system. FleetPride is your First Click in Heavy Duty®.