HP 61 Ink Cartridge, Black (B3B07AN) - Walmart.com
Amazon.com: HP 61 Black Ink Cartridge | Works with DeskJet 1000, 1010, 1050, 1510, 2050, 2510, 2540, 3000, 3050, 3510; ENVY 4500, 5530; OfficeJet 2620, 4630 Series | Eligible for Instant Ink | CH561WN : Office Products
Amazon.com: HP 61 | 2 Ink Cartridges | Black | Works with HP DeskJet 1000 1500 2050 2500 3000 3500 Series, HP ENVY 4500 5500 Series, HP OfficeJet 2600 4600 Series | CZ073FN : Office Products
HP 61 2-pack Black/Tri-color Original Ink Cartridges Combo Pack, CR259FN#140
HP® 61 Black Printer Ink Cartridge (CH561WN#140) - $22.99
HP 61 Standard Capacity Ink Cartridge Black CH561WN#140 - Best Buy
HP 61XL High-Yield Ink Cartridge Black CH563WN#140 - Best Buy
HP 61XL Combo Ink Cartridges, 2 pk. - BJs Wholesale Club
HP 61XL High Yield Ink Cartridge, Black, 2-Count | Costco