MTD TRI FUSION

Pipe fittings composed primarily of plastic fused with thermoplastic for piping applications; Piping assemblies composed primarily of flexible pipes sold together as a unit with pipe fittings, all of the foregoing composed primarily of plastic fused with thermoplastic for piping applications; Flexible plastic pipes fused with thermoplastic for use in piping applications

Valves composed primarily of plastic fused with thermoplastic, other than parts of machines, for use in piping applications; Controls in the nature of manually-operated control valves composed primarily of plastic fused with thermoplastic for piping applications