PRODUCT LINE: Scepter?s non-metallic duplex receptacle covers fit with Scepter Round PVC Floor Boxes and constructed from high impact, noncorroding and nonconducting PVC. The flush mount covers are available in custom colors and are shipped with a leveling ring. FEATURES: Made from durable PVC;Flush mount design;Available in custom colors to match flooring;Lightweight yet offers high impact and tensile strength;Chemical resistant to a wide range of acids, alkalis or salt solutions;Corrosion resistant for lower maintenance cost and longer life;PVC is nonconductive eliminating dangerous second point of contact