1. QUALITATIVE ANALYSIS OF FILTERS FOR THE MECHANICAL NANOFILTRATION OF HOUSEHOLD DRINKING WATER. Authors: OANA-ADRIANA CRIȘAN, MARIUS SORIN PUSTAN, CORINA JULIETA BÎRLEANU, ANCUȚA ELENA TIUC, IOANA SUR, HOREA-GEORGE CRIȘAN, FLORINA MARIA ȘERDEAN, LAZĂR FLĂMÎND, TIBERIU RUSU.