4 OZ, Clear, Medium Bodied Cement, For Use On Flexible PVC Pipe & Rigid Fittings Up To 3" Diameter, Formulated To Withstand Pressures & Vibrations Commonly Associated With Spa & Swimming Pool Installations, Meets Manufacturer's Rated Line Pressure For Flexible PVC Pipe, Recommended Application Temperature 40 Degrees To 100 Degrees Fahrenheit, Meets ASTM D-2564.