Plastics Pipe Institute Celebrates 70 Years – Plumbing Perspective
The Plastics Pipe Institute, Inc. (PPI) is celebrating its 70th year. Formed in 1950 as the Thermoplastic Pipe Division of the […]
Read More →The Plastics Pipe Institute, Inc. (PPI) is celebrating its 70th year. Formed in 1950 as the Thermoplastic Pipe Division of the […]
Read More →