Wave Jet rinse aid is an all natural spot and residue eliminator for automatic dishwashing machines. 8 ounce bottles. Case of 12 bottles. Just fill your rinse agent dispenser in your dishwashing machine. Refill once per month or as needed. No enzymes, phosphates, chlorine, dea, petro or bleach. No animal ingredients or animal testing. Eco categories: Biodegradable, less toxic, animal friendly, agriculturally based.