NUTRI COLOR filters 190 100 ml NUTRI COLOR filters #190 100 ml are specially designed hair color filters used to accurately separate different shades of hair color. These filters are made of a special material that allows the dye to pass through while blocking out any unwanted tones. The filters can be used on all types of hair, including blonde, brunette, red, and grey. They help to deliver consistent results and are easy to use. They are also a great way to achieve salon-quality results at home.