George Fischer Sloane, Inc.'s +GF+ Fuseal Squared Polypropylene Double Containment Piping System features electrofusion technology for easy installation. Having both inner and outer pipes constructed from polypropylene resin, the new system offers chemical and corrosion resistance. The piping system is fused using the company's new MSA 250SE, which can be used with the Fuseal, Fuseal 25/50 PVDF and PPro-Seal product lines, and is designed to fuse up to four joints at one time. George Fischer Sloane, Inc.