ESTON 8 Pack (4 Black & 4 Color) Compatible Hi-Yield Ink Cartridge for Dell Series 21 22 23 24 P513w P713w V313 V715w v515w Package includes: 4Pack Series 21 Black + 4Pack Series 21 Color dell ink cartridges, enclose instruction (Non-OEM) Fulfilled with high quality chips and ink , produce vivid color image and sharp text results High Yield: Black: up to 550 pages at 5% coverage; Color: up to 460 pages at 5% coverage. Compatible printer model: P513w Photo All-In-One, P713w Photo All-In-One, V313w All-In-One, V715w All-In-One, V313 All-In-One Warranty: your purchase is covered by 1-year limited warranty ,100% satisfaction and 0% risk. Shelf life : 12-18 months