Speedy Inks - 4pk Epson T676XL T676 676XL HY Ink Cartridges 1x T676XL120T676XL220T676XL320& T676XL420 Set Includes - 1 of each T676XL120RIU, T676XL220RIU, T676XL320RIU, & T676XL420RIU Page Yield HY Black - 2400 Shelf Life - 12-18 MonthsPage Yield HY Color - 1200 Shelf Life - 12-18 Months Black Cost Per Page - .67 centsColor Cost Per Page - 1.25 cents For use in: WorkForce WP-4020, WorkForce WP-4530, WorkForce WP-4540, WorkForce Pro, WorkForce Pro WP-4010, WorkForce Pro WP-4023, WorkForce Pro WP-4090, WorkForce Pro WP-4520, WorkForce Pro WP-4533, WorkForce Pro WP-4590 The use of aftermarket replacement cartridges and supplies does not void your printer's warranty