Ultra Beads Heavy Duty 60-90 Day Air Freshener. Cost effective solution with one of the main ingredients in the Non-Para Super Block becoming difficult to obtain and doubling in price, we knew we needed something better. The answer is Ultra Beads. Ultra Beads will replace the Super Block and is not only effective, but costs less, too. Versatile, with a simple design and easy to carry around bag, you can place Ultra Beads in stairwells, by dumpsters, in sewers, or anywhere else you need an extra strength odor control solution! High Powered Odor control, ultra Beads utilizes Fresh’s patented fragrance load, meaning each bead is packed with massive amounts of our fragrance compounds! Lasting 60 to 90 days, Ultra Beads will keep your smelliest spaces smelling fresh!