Pack of 4 for the UPC: 019200902069 Rid-X RV Toilet Treatment is an easy-to-use liquid formula with a powerful citrus fragrance that offsets the odor an untreated toilet can give off in a confined space. It contains fast-acting enzymes and patented bacteria that are scientifically proven to break down waste and tissue. Rid-X RV Toilet Treatment is safe for RVs, portable toilets, and portable marine toilets. So, stock up before your next trip! And always remember to use Rid-X RV Toilet Treatment once a week to help guarantee a pleasant trip! Combats odors and breaks down waste in RV, marine and portable toilet holding tanks Contains patented bacteria and enzymes scientifically proven to break down waste and paper Long-lasting, powerful citrus scent 16 treatments for holding tanks up to 40 gallons Easy-to-use liquid formula

RID-X Liquid Holding Tank Deodorizer, 48 oz (Pack of 4)