THEY ARE PRODUCED BY A DIFFERENT SUPPLIER THAN THE 'NON ECO' SERIES. 12 MONTH WARRANTY! Compatible Printers: OKI C 332, C 332DN, MC 363, MC 363DN. BLACK ECO SERIES COMPATIBLE C332 TONER FOR OKI C 332, C 332DN, MC363, MC 363DN 46508712 CAPACITY 3,500 PAGES.
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