Abstract: A debris collection system for use with a portable, hand held blower/vac comprises a wheeled cart. A collection bag is releasably carried on the cart. A connecting hose releasably couples the collection bag to the fan outlet of the blower/vac to fill the collection bag with debris picked up by the blower/vac when the blower/vac operates in the vacuum mode. The cart rolls on the ground and trails behind the blower/vac in the manner of a canister vacuum cleaner as a user operates the blower/vac and walks forwardly with the blower/vac. The collection bag may be a reusable fabric bag or a disposable paper bag.

Abstract: A blower/vacuum and an impeller for use with generating air flow in a blower/vacuum. The impeller may include a hub for mounting the impeller on a rotatable output shaft of a motor of the blower/vacuum. The impeller may further include a plurality of air-flow generating blades that define a particular range of inlet and outlet angles. Additional features of the impeller may include a plurality of shortened member that facilitate mulching of air-entrained debris.