These printers use the T088420 cartridge:

Epson Stylus 415

Epson Stylus CX-4400

Epson Stylus CX-4450

Epson Stylus CX-7400

Epson Stylus NX-100

Epson Stylus NX-105

Epson Stylus NX-110

Epson Stylus NX-115

Epson Stylus NX-215

Epson Stylus NX-300

Epson Stylus NX-400

Epson Stylus NX-415