The Nitrous Express 22-inch 4AN stainless braided double SHO hose is supplied with black 3AN fittings on both ends. NX describes its hoses as stainless braided with a Teflon lining and anodized fittings. This 22-inch double SHO hose meets the described 4AN plumbing configuration and uses the construction attributes provided in the product description.
Nitrous Express 4AN 22in Stainless Braided Double SHO Hose (w/Black 3AN Ends - Both Ends)