Aqua Elite is an innovative synthetic-hair paintbrush that is indistinguishable from natural Kolinsky, yet significantly more affordable.
Aqua Elite Synthetic Sable Wash 3/4 4850 – Posner's Art Store
Princeton Neptune: Synthetic Squirrel Brushes - Artsavingsclub
Princeton Aqua Elite: Finest Synthetic Kolinsky Sable - Artsavingsclub