The Toro Recycler series is a patented cutting technology that brings an innovative mulching technique that make your clippings ultra-fine to provide moisture and nutrients that feed back into your lawn. We call these nutrient rich grass clippings, LawnVitamins™. Get a great cut and healthy lawn for an excellent value with the 21 in. Recycler® High-Wheel Lawn Mower. This design is great for homeowners seeking a lawn mower with a high-quality, user-friendly design. Best of all, no oil changes for the life of the Briggs & Stratton® engine. Just Top it Off.