Features
# Save $3.99 over the cost of two cartridges sold individually
# Get crisp, laser-quality results that resist fading
# Depend on HP genuine, pigment-based ink for long-lasting results

Specifications
Cartridge yield: Approx. 220 pages (actual yield depends on specific use including images printed, printer, print settings and other factors)
Ink volume: 10 ml each

HP 27 Ink Cartridge is compatible Printers: 

HP 1240 Fax (Q5621A)
HP Deskjet 3420 Color Inkjet Printer (C8947C)
HP Deskjet 3520 Color inkjet Printer (C8994C)
HP Deskjet 3550 Color inkjet Printer (C8991C)
HP Deskjet 3650 Color Inkjet Printer (C8974C)
HP Deskjet 3740 Color Inkjet Printer (C9026A)
HP Deskjet 3745 Color Inkjet Printer (C9025A)
HP Deskjet 3843 Color Inkjet Printer (C9073A)
HP Deskjet 3845 Color Inkjet Printer (C9037A)
HP Officejet 4315 All-in-One (Q8081A)
HP Officejet 5610 All-in-One (Q7311A)
HP PSC 1311 All-in-One (Q5768A)
HP PSC 1315 All-in-One (Q5765A)