Abstract: A blower attachment (15) comprising a frame (16) having a connecting assembly (18) for releasably connecting to a blower (35), a housing (19) supported by the frame and enclosing a chamber (20), the housing having a top portion (21), a bottom portion (22) and side portions (23a-d), an inlet (24) to the chamber in the top portion of the housing, the inlet having a maximum inlet width (34), a conduit (25) adapted to extend between the inlet and a blower outlet port (36), multiple baffles (26a-h) in the chamber orientated vertically and extending from a first point (27a-d) below the inlet to a second point (28a-d) peripheral to the inlet, an outlet (29) from the chamber positioned below the inlet and having a maximum outlet width (73) greater than the maximum inlet width, an adjustment mechanism (30) adapted to adjust the height of the outlet relative to an underlying surface (38), the conduit, inlet, chamber, baffles and outlet adapted to direct flow (79) from the blower through the inlet into the chamber and o