PANASONIC FQ-TK10. THIS IS A GENUINE PANASONIC BRAND TONER. COPIER TONER IS BLACK. THERE'S A TOTAL OF FOUR BOTTLES IN THIS AUCTION. EACH BOTTLE WEIGHS 462 GRAMS. EACH BOTTLE HAS A 10,000 PAGE YIELD. FOR USE WITH FP-7718, FP-7722, FP-7724 AND FP-7818.