Bring High-Speed Efficiency and Crisp Text Density to Your Workspace Drastically cut down your everyday printing overhead while keeping your document quality immaculate using our premium compatible GPS 12A (Q2612A) Laser Toner Refill Powder Bottles. Specifically formulated to replicate original text darkness and structural fusing parameters of HP's classic workhorse laser series, this 100g refill kit allows small businesses, retail billing counters, educational centers, and medical clinics to bypass the expense of buying brand new cartridge frames by simply topping off their existing units. Mess-Free, Toolless Refilling Layout No need for complex technical procedures or mechanical cartridge teardowns. Every GPS 12A powder bottle arrives fitted with a specialized, twist-on easy-pour funnel nozzle cap. Simply open the refill port plug on your compatible easy-refill cartridge shell, line up the funnel tip, and pour. The process takes less than two minutes, keeping your hands clean, protecting your workspace from fine black dust, and minimizing product waste.