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Product Description: Thetford Drain Valve Lubricant, 20 oz. Our special water-soluble formula prevents seal wear, sticky drain valves and keeps all the plumbing lines operating smoothly. Approximately 2 ounces in the holding tank effectively lubricates drain valves, lines and walls.
Product Description: Thetford Drain Valve Lubricant, 20 oz. Our special water-soluble formula prevents seal wear, sticky drain valves and keeps all the plumbing lines operating smoothly. Approximately 2 ounces in the holding tank effectively lubricates drain valves, lines and walls.
- Lubricates holding tank systems and drain valves from the inside
- Restores easy valve operation
- Coats plumbing lines for smooth tank evacuation
- Works in both grey and black water tanks
- 100% biodegradable liquid