Description
This special formula by Thetford prevents seal wear, sticky drain valves and keeps all the plumbing lines operating smoothly. Your holding tank is critical to your RV, and preventative maintenance is key to keeping it healthy.
- 24-ounce bottle
- Lubricates Holding Tank Systems And Drain Valves From The Inside
- Prevents Seal Wear And Sticky Drain Valves
- Restores Easy Valve Operation
- Coats Plumbing Lines For Smooth Tank Evacuation
- Works In Both Grey And Black Water Tanks
- 100 Percent Biodegradable Liquid
