<ARTICLE> 5 <CIK> 0001019779 <NAME> CUNO, INC. <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> OCT-31-2000 <PERIOD-START> MAY-01-2000 <PERIOD-END> JUL-31-2000 <EXCHANGE-RATE> 1 <CASH> 9,149 <SECURITIES> 0 <RECEIVABLES> 50,762 <ALLOWANCES> 1,763 <INVENTORY> 25,424 <CURRENT-ASSETS> 94,398 <PP&E> 124,988 <DEPRECIATION> 62,663 <TOTAL-ASSETS> 184,091 <CURRENT-LIABILITIES> 56,956 <BONDS> 2,091 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 16 <OTHER-SE> 115,817 <TOTAL-LIABILITY-AND-EQUITY> 184,091 <SALES> 62,795 <TOTAL-REVENUES> 62,795 <CGS> 35,680 <TOTAL-COSTS> 35,680 <OTHER-EXPENSES> 18,952 <LOSS-PROVISION> 62 <INTEREST-EXPENSE> 128 <INCOME-PRETAX> 7,972 <INCOME-TAX> 2,953 <INCOME-CONTINUING> 5,019 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,019 <EPS-BASIC> 0.31 <EPS-DILUTED> 0.30