A combustor system comprising: a combustor case; a manifold operatively connected to the combustor case; a fuel distributor (106a, 106b, 106c) downstream from and fluidly connected to the manifold; an air swirler (108a, 108b, 108c) upstream from the fuel distributor (106a, 106b, 106c) to impart swirl to air going from within the combustor case into a combustor, wherein the air swirler includes a plurality of slots defined therein, each slot defining a respective injection axis; an air mixer (101; 201; 301) downstream from the fuel distributor (106a, 106b, 106c) and axially downstream from the air swirler, wherein the air mixer (101; 201; 301) comprises: an annular body (110; 210; 310) defining a center axis; and a plurality of slots (112; 212; 312) defined in the annular body (110; 210; 310) circumferentially spaced apart from one another, wherein each slot defines a respective center injection axis extending from an outer surface (114; 214; 314) of the annular body (110; 210; 310) to an inner surface (116; 216; 316) of the annular body(1 10; 210; 310), wherein each respective center injection axis is parallel to a respective plane bisecting the annular body (110; 210; 310), wherein at least one of the slots is intersected by the respective bisecting plane parallel to its respective center injection axis, wherein a distance (d) between the respective center injection axis of a slot of the air mixer and its respective parallel bisecting plane is smaller than a distance (f) between the respective center injection axis of a slot of the air swirler and its respective bisecting plane, which is the same as the bisecting plane parallel to the injection axis of slot of the air mixer. a combustor case; a manifold operatively connected to the combustor case; a fuel distributor (106a, 106b, 106c) downstream from and fluidly connected to the manifold; an air swirler (108a, 108b, 108c) upstream from the fuel distributor (106a, 106b, 106c) to impart swirl to air going from within the combustor case into a combustor, wherein the air swirler includes a plurality of slots defined therein, each slot defining a respective injection axis; an air mixer (101; 201; 301) downstream from the fuel distributor (106a, 106b, 106c) and axially downstream from the air swirler, wherein the air mixer (101; 201; 301) comprises: an annular body (110; 210; 310) defining a center axis; and a plurality of slots (112; 212; 312) defined in the annular body (110; 210; 310) circumferentially spaced apart from one another, wherein each slot defines a respective center injection axis extending from an outer surface (114; 214; 314) of the annular body (110; 210; 310) to an inner surface (116; 216; 316) of the annular body(1 10; 210; 310), wherein each respective center injection axis is parallel to a respective plane bisecting the annular body (110; 210; 310), wherein at least one of the slots is intersected by the respective bisecting plane parallel to its respective center injection axis, wherein a distance (d) between the respective center injection axis of a slot of the air mixer and its respective parallel bisecting plane is smaller than a distance (f) between the respective center injection axis of a slot of the air swirler and its respective bisecting plane, which is the same as the bisecting plane parallel to the injection axis of slot of the air mixer. an annular body (110; 210; 310) defining a center axis; and a plurality of slots (112; 212; 312) defined in the annular body (110; 210; 310) circumferentially spaced apart from one another, wherein each slot defines a respective center injection axis extending from an outer surface (114; 214; 314) of the annular body (110; 210; 310) to an inner surface (116; 216; 316) of the annular body(1 10; 210; 310), wherein each respective center injection axis is parallel to a respective plane bisecting the annular body (110; 210; 310), wherein at least one of the slots is intersected by the respective bisecting plane parallel to its respective center injection axis, wherein a distance (d) between the respective center injection axis of a slot of the air mixer and its respective parallel bisecting plane is smaller than a distance (f) between the respective center injection axis of a slot of the air swirler and its respective bisecting plane, which is the same as the bisecting plane parallel to the injection axis of slot of the air mixer.