(1) A-11, (2) A-15, (3) A (1) A-11, (2) A-15, (3) A -18, (4) A-22, (5) AF-150, (6) AF-180, (7) AF-220, (8) AX-15, (9) AX-22; dialyzer with cellulose acetate fiber series A: (10) Altra Flux, (11) Altra Nova, (12) Altrex, Product codes: (1) 237011, 237311, 237511; (2) 237015, 237315, 237515; (3) 237018, 237318, 237518; (4) 237022; (5) 238015, 238515; (6) 238018, 238518; (7) 238022, 238522; (8) 239015; (9) 239022, 239522; (10 to 12) unidentified; number of lots: (1 to 9) all numbers, (10) 990904P6A1 to 011017P7A, (11) 990924P1D1 to 011019P4A, (12) 990929P6A1 to 000203P6A1; number of catalogs: (1 to 9) unidentified; (10 to 12) 100-416, 100-923, 700-098, 700-150