Amazon.com: HP 21 Black Ink Cartridge | Works with HP DeskJet D1300, D1400, D1500, D2300, D2400, F300, F2100, F2200, F4100, 3900; OfficeJet J3600, 4300; PSC 1410; Fax 1250, 3180 Series | C9351AN : Office Products
Amazon.com: OCProducts Refilled Ink Cartridge Replacement for HP 21 and HP 22 for PSC 1410 Deskjet F4180 F2280 D2360 D1560 D2460 Officejet 4315 (1 Black 1 Color) : Office Products
New HP 21 Black C9351A & 22 Tri Color C9352A Combo Ink cartridge for Printer OEM | eBay
HP 21, 22 & 58 Remanufactured Ink Cartridge 3-Pack Combo
2PK 21XL 21 Ink Cart C9351A Black for HP Deskjet F2100 F350 F370 F375 F380 F4135 | eBay
Lot of 7 **EMPTY** HP Printer Cartridges 21 Black 22 Tri Color | eBay
Better Print Value with HP 21 & 22 Ink Cartridges | InkjetsClub
Remanufactured Black Ink Cartridges For HP C9351A 21XL Compatible For Use With HP DeskJet 3747 3910 3915 3918 3920 3930 3930 OfficeJet 4310 4315 4315v 4315xi J3600 More - Walmart.com
HP 21 & 22 Remanufactured Ink Cartridge 3-Pack Combo