Thetford 36974 Eco-Smart Deodorant， (Pack of 4)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Certified EcoLogo: Meets all international standards for environmental labels</li><li>Formaldehyde free Natural RV holding tank deodorant with extended odor control</li><li>Quickly breaks down and liquefies waste and tissue to prevent clogs</li><li>Non-staining green dye washes clean with soap and water</li><li>4， 4-oz. bottles for your convenience; Additional sizes and formulas available for maximum ease of use</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51tiPzNfwPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/01akNUttFZS.png" noproxy>