Vibrant Performance Push-On Style Hose Barb Union Adapters are lightweight and constructed from 6061 Aluminum Alloy. Our Push-On Style Hose Barb Union Adapters deliver quality, reliability, smooth flow, ease of assembly and the comfort of an anti-leak seal and are designed to fit most popular oil pumps, fuel pumps, fuel filters and a wide range of other common components. The barbs on these fittings are sized to work optimally with Vibrant Performance 16300 series Push-On Flex Hose. All Vibrant Performance Adapter Fittings are available in anodized black only.