24-Oz. Sold By Case Of 6

Drain Valve Lubricant prevents sticky valves and restores easy operation. Drain Valve Lubricant coats plumbing lines for complete outflow of tank contents. It works in both toilet and sink/shower waste holding tanks. It is non-staining. Approximately 2 ounces in each holding tank effectively lubricates drain valve lines and walls. 20 oz. bottle.