Fresh Wave's Litter Box Odor Removing Gel is specifically formulated to eliminate litter box odors without disturbing your cat! Unscrew lid, remove foil seal. Replace lid. Place Gel a few feet away from the litter box. Do not pour directly into the litter box. The Gel will evaporate as it works. Last up to 30 days. Visit our Booth 5270 to see our full line of pet products including Odor Removing Orange Pet Spray, Odor Removing Orange Pet Spray Refill, as well as our Odor Removing Lemongrass Dog Shampoo! You can pick up a free sample to test for yourself, the odor eliminating power of our Fresh Wave Products! www.freshwaveworks.com