To meet the most stringent demands for HIGH-PURITY, Advance Fittings has an on-sight certified CLASS 100 CLEAN ROOM. Fittings to be cleaned receive the ultimate in cleaning. Fittings are rinsed and cleaned by heated, purified and filtered DI water with purity levels reaching 18.2 megohm. After cleaning, fittings are dried and purged with filtered pure nitrogen, double capped and sealed in individual bags. Advance Fittings has the necessary controls, gages and graph devices to read water purity, both incoming and outflow, during the cleaning process. Printed recordings are available.