Thetford RV Grey Water Odor Control 15842, 24 oz. Bottle
Prevents offensive odors in drains and vents. Prevents grease build-up in holding tank. No chlorine or solvents to damage valve seals. Non-staining. Pleasant floral scent. Environmentally safe. 20 oz. Thetford is a name you can trust and a company you can count on, a world market leader in carefree camping for more than 50 years.