Fragrance lasts four to six weeks depending on usage. Non-slip bottom provides a safer floor surface and protects floors from stains and uric acid damage. Uses Neutra Tech to combat odors and refresh the area. ? Fragrance lasts four to six weeks depending on usage. ? Non-slip bottom provides a safer floor surface and protects floors from stains and uric acid damage. ? Uses Neutra Tech to combat odors and refresh the area. ? Sold as 6/Carton.