Trackless Flush Sheets (TFS) are 10-inch pleated ridge soluble paper products that dissolve in a toilet’s or commode’s water bowl releasing environmentally safe enzymes that starts the breaking down process of flushed paper & waste products at the molecular level.Our chemical engineers program the enzymes to handle most waste material, adding special odor and hard water buildup control products, leaving all toilets and septic tanks fresh and clean in RVs, residential, and business environments.