Eco-Smart Free & Clear Toss-Ins Holding Tank Deodorant (Pack of 12) &ndash; Thetford 94032 [UTILITY]: Eco Smart Toss-Ins is a treatment that can be used in RV, marine, and portable toilets holding tanks [CONVENIENCE]: Toss-Ins comes in an easy-to-store foil zipper bag containing 12 - 1.5oz individual deodorizer packets, ready to dispense [SAFETY]: The biodegradable formula works around the clock, in all weather conditions, to eliminate the odors in waste holding tanks or septic tanks [VERSATILITY]: The 3-in-1 formula, containing a powerful deodorizer, a waste digester, and a detergent, keeps odors under control, breaks down and liquefies waste and keeps the tank and drain lines clean [FUNCTIONALITY]: Eco-Smart Toss-Ins comes in water-soluble packets which break down fast, keeping odors under control