Introducing Tectran's Horn Valves - Assorted Styles -Variety of Styles: These horn valves come in assorted styles to meet different application needs -Push-to-Connect Fittings: All valves except for basic applications (HV2770 & HV228928) feature Push-to-Connect fittings for easy installation -Tech-Grade Nylon: All valves are constructed with Tech-Grade Nylon, ensuring durability and reliability, except for HV228928 Upgrade your horn system with Tectran's Horn Valves, offering a variety of styles and convenient Push-to-Connect fittings for most valves, all built with quality Tech-Grade Nylon materials.