Amazon.com: EPSON 822 DURABrite Ultra Ink High Capacity Black & Standard Color Cartridge Combo Pack (T822XL-BCS) Works with WorkForce Pro WF-3820, WF-3823, WF-4820, WF-4830, WF-4833, WF-4834 : Everything Else
Epson Ink 822XL Cartridges Combo Pack of 10 @ $189.90
Amazon.com: EPSON 822 DURABrite Ultra Ink High Capacity Magenta Cartridge (T822XL320-S) Works with WorkForce Pro WF-3820, WF-3823, WF-4820, WF-4830, WF-4833, WF-4834 : Office Products
Amazon.com: EPSON 822 DURABrite Ultra Ink High Capacity Black & Standard Color Cartridge Combo Pack (T822XL-BCS) Works with WorkForce Pro WF-3820, WF-3823, WF-4820, WF-4830, WF-4833, WF-4834 : Everything Else