A separator assembly for removing dirt from an air flow in a suction cleaner , the separator assembly including: a first cyclone assembly including a first cyclone separator for separating coarse dirt from an air flow, the separator including a filter for blocking the passage of coarse dirt from the first cyclone separator, and a second cyclone assembly including a plurality of second cyclone separators arranged fluidly in parallel for separating fine dirt from an air flow, each providing a body with a cyclone inlet towards an upper end and a dirt outlet formed at a lower end; and a sealing plate that surrounds a portion of each of the second cyclone separators , configured such that each of the second cyclone separators extends through a respective opening defined in the sealing plate so that the dirt outlets of the second cyclone separators lie in a shared plane below the sealing plate and the cyclone inlets lie above the sealing plate , wherein a flow path is defined between the filter of the first cyclone separator through which air is drawn from the first cyclone separator , to the inlets of the second cyclone separators , at least a portion of the flow path being bounded by at least a portion of an upper surface of the sealing plate, characterised in that the second cyclone separators comprise a first set of cyclone separators and a second set of cyclone separators , the cyclone separators of each set being arranged about the central axis, and configured such that: the cyclone separators of the first set are spaced radially from the axis by a distance that is smaller than those of the second set , and the dirt outlets of the first set are disposed at a position further below the sealing plate than those of the second set . a first cyclone assembly including a first cyclone separator for separating coarse dirt from an air flow, the separator including a filter for blocking the passage of coarse dirt from the first cyclone separator, and a second cyclone assembly including a plurality of second cyclone separators arranged fluidly in parallel for separating fine dirt from an air flow, each providing a body with a cyclone inlet towards an upper end and a dirt outlet formed at a lower end; and a sealing plate that surrounds a portion of each of the second cyclone separators , configured such that each of the second cyclone separators extends through a respective opening defined in the sealing plate so that the dirt outlets of the second cyclone separators lie in a shared plane below the sealing plate and the cyclone inlets lie above the sealing plate , wherein a flow path is defined between the filter of the first cyclone separator through which air is drawn from the first cyclone separator , to the inlets of the second cyclone separators , at least a portion of the flow path being bounded by at least a portion of an upper surface of the sealing plate, characterised in that the second cyclone separators comprise a first set of cyclone separators and a second set of cyclone separators , the cyclone separators of each set being arranged about the central axis, and configured such that: the cyclone separators of the first set are spaced radially from the axis by a distance that is smaller than those of the second set , and the dirt outlets of the first set are disposed at a position further below the sealing plate than those of the second set . the cyclone separators of the first set are spaced radially from the axis by a distance that is smaller than those of the second set , and the dirt outlets of the first set are disposed at a position further below the sealing plate than those of the second set . <EOS>