Princeton Paint Brush 6400 Fan Long Handle Catalyst Princeton nº3 Brush designed for use with medium to heavy body acrylics and oil paints. Also suitable for gel media. The Catalyst series features stiff but extremely sensitive brushes. Brushes made with advanced Polytip bristles. Each bristle has two to three distinct tips, allowing the brush to hold a high volume of paint while providing smoother application and better control. Unlike natural bristles, this brush offers real integrity, maximum stiffness and the best colour and shape retention. Clean your brushes immediately after use and dry them with the brush head upwards. Brand: Princeton Artist Brush