InkOwl - 4 Laser Toner Refill Kit for BROTHER TN-420， TN-450<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Includes 4 bottles of Ink Owl® premium formulation toner， a spout for easy pouring， easy-seal tape， and detailed， graphic instructions. </span></li><li><span class="a-list-item"> BROTHER cartridges are easy to refill thanks to a toner plug on the side of the cartridge. Easy-seal tape is included in case the plug does not offer a good enough seal after being removed and put back in. </span></li><li><span class="a-list-item"> Our instructions will guide you step-by-step through the entire refill process. </span></li><li><span class="a-list-item"> Includes 340g of toner powder for 10400 pages at 5% page coverage. This is the same yield as four original BROTHER TN-450 high-yield cartridges. </span></li><li><span class="a-list-item"> If the cartridge you're going to refill is the original cartridge (the starter cartridge) that shipped with your printer， you will also need to purchase a flag gear kit. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41OQlJMrLaL.jpg" noproxy>