Get step by step instructions for a flawless paint finish


Match wall vents precisely to your room color with the Preval Spray System. Get directions and see how it’s done!




  • First, remove the wall vent and, to remove any residue, clean it with soapy water.
  • Next, you’ll create a rough surface for the paint to adhere to. Rub the vent with steel wool or sandpaper.
  • Wash and dry the vent to remove any debris.
  • Then, add primer and water to the sprayer.
  • For best spray results, use a funnel paint strainer.
  • Spray the vent with the primer and allow it to dry.
  • Finally, spray the vent with your wall color.


Using the Preval Sprayer is fast and easy. The result is a flawless finish and a vent that exactly matches your wall color.


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