  We unify the classic Dauns-Hofmann representation with Kumjian and Renault's
Weyl groupoid representation. More precisely, we use ultrafilters to represent
C*-algebras with some additional structure on Fell bundles over locally compact
\'etale groupoids. Our construction is even functorial and thus a fully-fledged
non-commutative extension of the classic Gelfand duality.
