hing Only pure water or alcohol recommended Part number1 DO3308P-472ML_ DO3308P-682ML_ DO3308P-103ML_ DO3308P-153ML_ DO3308P-223ML_ DO3308P-333ML_ DO3308P-473ML_ DO3308P-683ML_ DO3308P-104ML_ DO3308P-154ML_ DO3308P-224ML_ DO3308P-334ML_ DO3308P-474ML_ DO3308P-684ML_ DO3308P-105ML_ DCR L ±20%2 max .