Refill Ink Kit (5x4oz Nano Dye Ink + 4 Syringes + 1 Thumb Drill + Refill Instructions) for Lexmark #36A & #37A Cartridges and Lexmark Printers X3650, X4650, X5650, X6650, X6675, Z2420 World-class Nano-technology! Premium Water-based Photo Dye Inkjet Ink! Temperature: -15 C no frozen, 70 C no gelling Stability: No settling in 3 years (at normal storage) Professional Internet technical support 24 hours/day and 365 days/year!