1. Model Number: Epson T1251-4 ink cartridge

2. Compatible for:  Epson Stylus NX125/NX127/NX420/NX625/WorkForce 320/323/325/520

3. Certification: ISO 9001 and ISO 1400.

4. Warranty: 2 years.

5. Color: Bk, C, M, Y.