4-BRUSH HIGH-EFFICIENCY SYSTEM: Thickened and densified 4 spinning brushes deliver powerful sweeping action to collect up to 80% of grass clippings, leaves and dry debris in a single pass for a spotless lawn finish. • 21-INCH WIDE CLEANING PATH: The generous 21-inch sweeping width covers more ground per pass, quickly clearing your yard, garden, driveway or sidewalk with fewer back-and-forth trips. • LARGE 3.5 CU. FT. HOPPER BAG: High-quality non-woven mesh collection bag holds a substantial volume of debris, reducing the need for frequent emptying so you can focus on cleaning without interruption. • TOOL-FREE BRUSH HEIGHT ADJUSTMENT: Easily adapt to any terrain with the stepless hand-turn knob — rotate to raise or lower brushes for optimal contact on sidewalks, lawns and uneven surfaces, no tools required. • QUICK ASSEMBLY & COMPACT STORAGE: Quick-clip design on both sides makes setup fast and simple; after use, store vertically in your shed or hang on the garage wall with integrated anti-tip support feet.