Epson T129 and compatible Pelikan cartridge - Profile differences

The alternative compatible inkjet cartridge has a different form, in comparison to original product Epson T129. Compatible for: printers Epson Stylus SX420W, Stylus SX425W, Stylus SX230, Stylus SX235, Stylus SX235W, Stylus SX430W, Stylus SX435W Stylus SX438W, Stylus SX440W, Stylus SX445W, Stylus Office BX305F, Stylus Office BX305FW, Stylus Office, BX305FW Plus.