✓?Easy to refill?: Compatible epson 502 Ink Bottles ecotank with complete compatibility & high quality for Office and Home everyday printing ( Not Sublimation Ink ). ✓?Large Volumn?: 127ml 502 Black ink (T502120) , 70ml Cyan 502 ink refill bottles (T502220), 70ml Magenta 502 ink bottles ecotank (T502320),70ml Yellow 502 ink refill bottles (T502420) ,4 pack in total. ✓?Reliable Quality with 502 epson ink?:After strict testing before delivery, to ensure the stability of printing, long - term unhindered output. ✓?Excellent printing performance?:Compatible epson 502 ink bottles contains high-quality dye ink with clear printing.Print clearly & smoothly, not clog the print heads,easy to refill. ✓?Printer Compatibility?:502 ink refill bottles for Ecotank ET-2760 ET-4760 ET-3760 ET-2700 ET-2750 ET-3700 ET-3710 ET-15000 ET-3830 ET-3850 ET-2850 ET-3750 ET-4750 Printer. ✓?Large Volumn,High Page Yield?: Up to 7500 pages per Black epson 502 ink refill bottles , Up to 6000 pages per Color 502 epson ink bottle, at 5% coverage.Helps you to reduce printing costs.