Epson 502 Multi-pack With Sensor - 3-pack Yellow, Cyan, Magenta Original - ink tank - for EcoTank ET-2700, ET-2750, ET-3700, ET-3750, ET-4750 | Dell USA
T502520-S (502) Ink by Epson® EPST502520S | OnTimeSupplies.com
Epson 502 Ecotank Combo Pack Black, Cyan, Magenta, Yellow Set of 4 Ink Bottles 10343940109 | eBay
Amazon.com: EPSON 502 EcoTank Ink Ultra-high Capacity Bottle Magenta Works with ET-2750, ET-2760, ET-2850, ET-3750, ET-3760, ET-3850, ET-4850, and other select EcoTank models : Office Products
Amazon.com: EPSON 502 EcoTank Ink Ultra-high Capacity Bottle Color Combo Pack Works with ET-2750, ET-2760, ET-2850, ET-3750, ET-3760, ET-3850, ET-4850, and other select EcoTank models : Office Products