Europe 34XL T3471 T3472 T3473 WF-3720 3725 Refillable Ink Cartridge For Epson WorkForce PRO WF3725 WF3720 Printers - AliExpress
2pk 702XL Black Ink Cartridges for Epson 702 Workforce WF-3720 WF-3730 WF-3733 | eBay
Amazon.com: EPSON 702 DURABrite Ultra Ink Standard Capacity Black Cartridge (T702120-S) Works with WorkForce Pro WF-3720, WF-3730, WF-3733 : Office Products