INKMATE Replacement #664XL 4 Pack F6V30A / F6V31A (2Black+2Tri-Color) Ink Cartridge Fit DeskJet Ink Advantage 1115 DeskJet Ink Advantage 2136 DeskJet Ink Advantage 3636 1.Package contents: 2 BLACK 664XL / 2 TRI-COLOR 664XL Ink Cartridge. 2.Type: Remanufactrued (NON OEM). 3.Black Up to 600 Pages at 5% coverage, Tri-color Up to 450 Pages at 5% coverage. 4.Compatible with: DeskJet Ink Advantage 3836 All-in-One, DeskJet Ink Advantage 4536 All-in-One, DeskJet Ink Advantage 4676 All-in-One, DeskJet Ink Advantage 1115, DeskJet Ink Advantage 2136 All-in-One, DeskJet Ink Advantage 3636 All-in-One. 5.Our vows: we can provide a guarantee to every customers who purchased our products, once there are any problems, we will make all our efforts to help you and if you don't want to posses it , we can offer you the full refund.