The Flowtron LER-100 Electric Leaf-Eater/Ultimate Mulcher Replacement Cutting Lines are designed to provide high-quality replacements for your Flowtron LE-800 LE-900 and LE-900G models. This 12-pack of cutting lines ensures you always have an extra set on hand when it s time to replace your old lines. To replace simply pull the used lines out of the spinner head and install the new lines by threading them through the post on top of the spinner head. These replacement lines are engineered for durability and efficient mulching of leaves and debris ensuring your mulcher continues to perform at its best. Easy to install and compatible with the aforementioned models these cutting lines are an essential accessory for maintaining your outdoor equipment. Whether you need to freshen up your mulcher for the season or replace worn-out lines the Flowtron LER-100 cutting lines are a reliable and cost-effective solution for keeping your lawn looking neat and tidy. Perfect for residential use these lines keep your mulcher working effectively.