Brand: HTL Model: For HP131XL HP135XL Ink Cartridge Color: Black Tri-color Volume: 20ML 15ML Page print volume: For HP131 Ink Cartridge Black 600 pages (A4 format, 5% coverage) For HP131 Ink Cartridge Tri-color 450 pages (A4 format, 5% coverage) Package Contents: 1PCS For HP131XL Ink Cartridge Black 1PCS For HP131XL Ink Cartridge Tri-color Features: Remanufactured, refillable, large capacity Compatible machine (for reference only): Compatible with Deskjet 460 5740 Series, 5940 Series, 6520 6540 6620 Series 6830 6840 6940 6980 printer Compatible with Photosmart 2570 2600 2700 8000 8150 8450 8750 Printer For different countries, although the printer models are the same, the cartridge models are different! The above compatible printer models are for reference only! If your original cartridge model is not 131, please do not buy it. If you have any questions, please feel free to contact us.