JoyPrinting Black Ink Refill Bottles Work for ET-2850 ET-2760 ET-3850 ET-4850 ET-3760 ET-4760 ET-3750 ET-4750 ET-3830 ET-3700 ET-2750 ET-15000 (127ML, 2 Pack)

["Universal Compatibility - Compatible with ET-2700 ET-2750 ET-2760 ET-2850 ET-3700 ET-3710 ET-3750 ET-3760 ET-3800 ET-3830 ET-3843 ET-3850 ET-4750 ET-4760 ET-4850 ET-15000; WorkForce ST-2000 ST-3000 ST-4000 ST-C2100 ST-C4100","Package Content: 2 x Black ink bottles (127 ML) , with a pair of disposable gloves.","High Page Yield – Up to 7500 pages per black ink bottle based on 5% coverage on A4. With high capacity (127ml / black bottle), you'll be able to print more pages per bottle, saving you time and money in the long run. Get more done without constantly replacing cartridges.","FEATURES: Easy to refill; no clogging; smooth printing; premium quality; cost-effective; saving time and money; hassle free.","Easy Refill – Refilling our ink is a breeze, thanks to its user-friendly design. Enjoy hassle-free printing with precise and consistent results."]