An air swirler arrangement for a fuel injector of a combustion chamber comprising a coaxial arrangement of an inner air swirler passage and an outer air swirler passage, each air swirler passage (54, 56) comprising a radial flow swirler (58, 60), the air swirler arrangement comprising an annular first member arranged radially relative to the axis of the air swirler arrangement, the first member having a central aperture, an annular second member spaced axially from the first member and arranged coaxially with the axis of the air swirler arrangement, the second member having a radially extending upstream portion and an axially extending convergent portion, an annular third member arranged coaxially around the second member 66), the third member having a radially extending upstream portion spaced axially downstream from the radially extending upstream portion of the second member, the third member having a radially inner surface having an axially extending convergent portion and a divergent downstream portion and a radially outer surface having a divergent downstream portion, a first plurality of circumferentially spaced swirl vanes of the radial flow swirler of the inner air swirler passage extending axially between the first member and the radially extending upstream portion of the second member, a second plurality of circumferentially spaced swirl vanes of the radial flow swirler of the outer air swirler passage extending axially between the radially extending upstream portion of the second member and the radially extending upstream portion of the third member, the first member, the second member, the third member, the first plurality of swirl vanes and the second plurality of swirl vanes is a unitary monolithic structure, a plurality of circumferentially spaced passages within the third member, each passage has an inlet in a radially outer surface of the third member and an outlet arranged to direct fluid onto the divergent portion of the radially inner surface of the third member or arranged to direct fluid onto the divergent portion of the radially outer surface of the third member; wherein the third member has an annular chamber (300, 400) arranged therein, and wherein at least some of the passages have a first portion connecting the inlet and the annular chamber and a second portion connecting the annular chamber and the outlet. the air swirler arrangement comprising an annular first member arranged radially relative to the axis of the air swirler arrangement, the first member having a central aperture, an annular second member spaced axially from the first member and arranged coaxially with the axis of the air swirler arrangement, the second member having a radially extending upstream portion and an axially extending convergent portion, an annular third member arranged coaxially around the second member 66), the third member having a radially extending upstream portion spaced axially downstream from the radially extending upstream portion of the second member, the third member having a radially inner surface having an axially extending convergent portion and a divergent downstream portion and a radially outer surface having a divergent downstream portion, a first plurality of circumferentially spaced swirl vanes of the radial flow swirler of the inner air swirler passage extending axially between the first member and the radially extending upstream portion of the second member, a second plurality of circumferentially spaced swirl vanes of the radial flow swirler of the outer air swirler passage extending axially between the radially extending upstream portion of the second member and the radially extending upstream portion of the third member, the first member, the second member, the third member, the first plurality of swirl vanes and the second plurality of swirl vanes is a unitary monolithic structure, a plurality of circumferentially spaced passages within the third member, each passage has an inlet in a radially outer surface of the third member and an outlet arranged to direct fluid onto the divergent portion of the radially inner surface of the third member or arranged to direct fluid onto the divergent portion of the radially outer surface of the third member; wherein the third member has an annular chamber (300, 400) arranged therein, and wherein at least some of the passages have a first portion connecting the inlet and the annular chamber and a second portion connecting the annular chamber and the outlet.