NO SWEAT Reusable Valve Wraps are a patented flexible insulation system designed for use with pipe insulation to prevent condensation and combat mold and mildew. They are quick and easy to install, ideal for indoor or outdoor use on domestic water, chilled water, dual temperature, hot water and steam along with other piping systems in commercial, institutional and industrial applications. NO SWEAT Mechanical Grooved Fitting Covers are a patented flexible insulation system designed for use with routine mechanical pipe insulation systems. They are quick and easy to install, ideal for indoor or outdoor use on domestic water, chilled water, dual temperature, hot water and steam, along with other piping systems in commercial, institutional and industrial applications.