F 13sus4, 4th inversion (G in the bass)
Also written as F13sus4/G.
Notes, from the bass up
G (bass)DFBbCEb
The same notes as F 13sus4 (G, D, F, Bb, C and Eb), rearranged so G is the lowest note. Use it to move between chords with smaller jumps across the keyboard.