Odorlos™ 4 oz. Holding Tank Treatment (V77001) by Valterra®. When added to holding tanks, Odorlos provides the naturally occurring bacteria with a continuous supply of the best alternative energy source to pure oxygen – nitrates. This eliminates the need for bacteria to target sulfate for energy, and the result is no holding tank odors.
Before You Order
Verify part number V77001 exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify V77001 on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.




