Happy Campers Organic RV Holding Tank Treatment - 18 treatments<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>ODOR FREE: absolutely no chemical or sewer smell</li><li>ORGANIC: biodegradable， environmentally friendly， septic tank friendly</li><li>EFFECTIVE: in extreme hot &amp; cold temperatures ( over 100°f )</li><li>EXTENDED DUMP INTERVAL: keeps on working ( don't have to add more before dumping )</li><li>LIQUIFY: waste solids &amp; most ordinary household tissue ( no expensive special tissue needed )</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51J3bOkQApL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61ecxM5fd7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61zLJqfRsBL.jpg" noproxy>