PVC-19 GRAY:ﾠExtra heavy bodied, slow setting PVC cement for all classes and schedules with interference fit through 30" diameter. Designed for large size piping systems requiring high gap filling properties such as industrial piping and fitting fabrication in pressure and non-pressure applications. Listings: ASTM D2564, NSFﾮ-PW, DWV, SW, U.P. Code, CSA (Gray Only) B137.3, B181.2.