A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, filter } from '@wordpress/icons';
<Icon icon={filter} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M12 4 4 19h16L12 4zm0 3.2 5.5 10.3H12V7.2z"></path></svg>
filter – WordPress Icon Library