Welcome to the Gestetner GX-3050N product page. Here you can find information and pricing for your Gestetner 405535 (Type 21Y) Genuine Lanier Gel Ink Cartridge. Easy online ordering of your 405533 (Type 21C) Genuine Lanier Gel Ink Cartridge, LAN405538, LAN405533, LAN405539, LAN405537, can be completed from this page. Tonerprice.com backs all of our cartridges with our exclusive warranty. As always, we provide free ground shipping on orders over $75 within the contiguous United States from 5 warehouses nationwide.