Available in 3 grades for small- and large-diameter pipe and 2 grades for fittings, AquaGuard® CPVC Compounds have NSF 14 and 61 certifications for use with potable water. Products are suitable for single and multi-family residences, and have also received certification from ICC Evaluation Service, LLC for applications in building plenums and ducts. Offering alternative to copper and crosslinked polyethylene, CPVC resists corrosion and is inherently rigid, kink-resistant, and flame retardant.