Eco-Smart Toss-Ins Holding Tank Deodorant 12 - 1.5 oz packets &ndash; Thetford 32952 [UTILITY]: Eco Smart Toss-Ins RV holding tank deodorant are water-soluble packets which break down fast, keeping odors under control [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 RV 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