Self-priming (suction lift up to 8' above water level). Exclusive swing-aside hand knobs make strainer cover removal easy. See-thru strainer cover lets you see when basket needs cleaning. Super size 110 cubic inch basket has extra leaf-holding capacity. Load-extender ribbing ensures free flowing operation. All components molded of corrosion-proof PermaGlass XL for extra durability and long life. Heavy-duty, high performance motor for quieter, cooler operation. Service-ease design gives simple access to all internal parts.