<p>The T502 refill inks are used for printer models as:</p> <p> </p> <p><b>Ecotank series: </b></p> <p> </p> <p>ET-2700 ET-2750 ET-2760</p> <p>ET-2850 ET-3830 ET-3850 ET-4850</p> <p> </p> <p>ET-3700 ET-3710 ET-3750 ET-3760 </p> <p> </p> <p>ET-4750 ET-4760</p> <p> </p> <p>ET-15000</p> <p> </p> <p><b>Supertank series:</b></p> <p> </p> <p>ST-2000 ST-3000 ST-4000</p> <p><b>What's in the box:</b></p> <p>Black ink * 2 (140ml/bottle), Cyan/Magenta/Yellow * 1 (70ml/bottle)</p>