TST Drain Valve Lube

Products / Marine


  • Prevents stickng valves
  • Helps equipment last longer
  • Recommended for all applications like RV waste holding tanks black and grey water systems
  • 4 ounces treats a 40 gallon holding tank
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Lubricate plumbing lines while you drive. Prevents sticking valves with coconut oil, making equipment last longer. Recommended for all applications: waste holding tanks, black and grey water systems.

→ 40246 16 oz.
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