Tustin, Calif.-based George Fischer Inc. has introduced its +GF+PPRO-Seal Piping System featuring an innovative new plug connection and insulated leads to provide faster, cleaner field installation with strong fusion joints. Constructed of natural polypropylene, it’s ideally suited for water treatment, chemical processing and other applications where high purity and corrosion resistance is required. The new design also incorporates a shrink-wrapped tube over the fusion leads, protecting the leads during fusion.