Drain Valve Lubricant
¥	Same great product - new packaging!
¥	Lubricates holding tank systems and drain valves
¥	Prevents seal wear and sticky drain valves
¥	Restores easy valve operation
¥	Coats plumbing line for smooth tank outflow
¥	Works in both grey and black water tanks
¥	100% biodegradable
¥	24-oz. bottle