Gas Diffuser Assembly

FIG. 1 is a top front right perspective view of a gas diffuser assembly according to our new design. FIG. 2 is a bottom front left perspective view thereof. FIG. 3 is a front view thereof. FIG. 4 is a rear view thereof. FIG. 5 is a right side view thereof. FIG. 6 is a left side view thereof. FIG. 7 is a top plan view thereof. FIG. 8 is a bottom plan view thereof. FIG. 9 is an enlarged bottom front left perspective view of portion 9 taken from FIG. 2 ; and, FIG. 10 is an enlarged front view of portion 10 taken from FIG. 3 . The dashed lines shown in the Figures depict portions of the gas diffuser assembly that form no part of the claimed design. The long dash broken lines encircling portions of the gas diffuser assembly indicate enlargement boundaries and form no part of the claimed design.