This package is comprised of 4 sets of filters Harry's power grads, rave grads,mirror rave and video rave and each set has a large number of filters. The first two sets generate a number gradient patterns while mirror rave does a quadrant flip on an existing images. The video rave set preforms numerous effects ranging from false color effects to swirl distortions and more and is by far the most useful & interesting of the 4 sets.