Drain valve lubricant - 591ml (20 oz)

        

Thetford

        

        



        

* Prevents sticky valves, restoring easy operation

        

* Coats plumbing lines for complete outflow of tank contents

        

* Approximately 148 ml in each holding tank effectively lubricates drain valves, lines & walls

        

* Works in both toilet and sink/shower waste holding tanks

        

* Non-staining

        

* Case quantity is 12 bottles