Inkpower Generic Ink Cartridge for HP 121XL ?

This Compatible HP Ink Cartridge is guaranteed to work in these printers

HP DeskJet D 1600 Series / HP  DeskJet D 2500 Series /HP DeskJet D 2600 Series
DeskJet D 1658 / DeskJet D 1660 / DeskJet D 1663 / DeskJet D 1668
DeskJet D 2530 / DeskJet D 2545 / DeskJet D 2560 /DeskJet D 2563 /DeskJet D 2566 /DeskJet D 2568
DeskJet D 2660 /DeskJet D 2666 /DeskJet D 2668

HP DeskJet D 5500 Series / HP DeskJet D 5600 Series
DeskJet D 5560 /DeskJet D 5563 /DeskJet D 5568
DeskJet D 5660 / DeskJet D 5668

HP DeskJet F 2400 Series / DeskJet F 4200 Series
DeskJet F 2410 / DeskJet F 2418 / DeskJet F 2420 /DeskJet F 2430 / DeskJet F 2440 / DeskJet F 2476 /DeskJet F 2480
DeskJet F 2483 / DeskJet F 2488 / DeskJet F 2492 /DeskJet F 4210 / DeskJet F 4213 / DeskJet F 4224 /DeskJet F 4230
DeskJet F 4235 / DeskJet F 4238 /DeskJet F 4240 /DeskJet F 4250 / DeskJet F 4272 / DeskJet F 4275 / DeskJet F 4280
DeskJet F 4283 / DeskJet F 4288 /DeskJet F 4290 / F2493

HP DeskJet F 4400 Series / HP DeskJet F 4500 Series
DeskJet F 4424 / DeskJet F 4435 / DeskJet F 4440 / DeskJet F 4450 / DeskJet F 4470 / DeskJet F 4472 / DeskJet F 4480
DeskJet F 4488 / DeskJet F 4492 /DeskJet F 4580 / DeskJet F 4583 /DeskJet F 4588

HP Envy All-in-One Series
Envy 100 e-All-in-One / Envy 110 e-All-in-One / Envy 111 e-All-in-One /Envy 114 e-All-in-One
Envy 120 e-All-in-One / Envy 121 e-All-in-One

HP PhotoSmart C 4600 Series / HP PhotoSmart C 4700 Series
PhotoSmart C 4610 / PhotoSmart C 4635 /PhotoSmart C 4640 /PhotoSmart C 4650 /PhotoSmart C 4670
PhotoSmart C 4680 / PhotoSmart C 4683 /PhotoSmart C 4685 / PhotoSmart C 4688 /PhotoSmart C 4690
PhotoSmart C 4740 / PhotoSmart C 4750 / PhotoSmart C 4780 / PhotoSmart C 4783 /PhotoSmart C 4785