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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
Specifications
| Brand | Thetford |
| Part status | Active |
